NoStatePrefetch: Rename PrerenderHelper to NoStatePrefetchHelper
In addition, this CL renames PrerenderHelper::IsPrerendering() to
NoStatePrefetchHelper::IsPrefetching().
Bug: 1144577
Change-Id: I1e875f651c50f401c54c7cc8d60d0b508b8e9ff7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2626671
Commit-Queue: Hiroki Nakagawa <nhiroki@chromium.org>
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843481}
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 9b410da..e72dd633 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -89,7 +89,7 @@
#include "components/network_hints/renderer/web_prescient_networking_impl.h"
#include "components/no_state_prefetch/common/prerender_url_loader_throttle.h"
#include "components/no_state_prefetch/renderer/no_state_prefetch_client.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "components/no_state_prefetch/renderer/prerender_render_frame_observer.h"
#include "components/no_state_prefetch/renderer/prerender_utils.h"
#include "components/page_load_metrics/renderer/metrics_render_frame_observer.h"
@@ -534,13 +534,15 @@
#endif
if (!render_frame->IsMainFrame()) {
- auto* prerender_helper = prerender::PrerenderHelper::Get(
- render_frame->GetRenderView()->GetMainRenderFrame());
- if (prerender_helper) {
+ auto* main_frame_no_state_prefetch_helper =
+ prerender::NoStatePrefetchHelper::Get(
+ render_frame->GetRenderView()->GetMainRenderFrame());
+ if (main_frame_no_state_prefetch_helper) {
// Avoid any race conditions from having the browser tell subframes that
- // they're prerendering.
- new prerender::PrerenderHelper(render_frame,
- prerender_helper->histogram_prefix());
+ // they're no-state prefetching.
+ new prerender::NoStatePrefetchHelper(
+ render_frame,
+ main_frame_no_state_prefetch_helper->histogram_prefix());
}
}
@@ -955,19 +957,19 @@
: PDFLoadStatus::kLoadedEmbeddedPdfWithPdfium);
}
- // Delay loading plugins if prerendering.
- // TODO(mmenke): In the case of prerendering, feed into
+ // Delay loading plugins if no-state prefetching.
+ // TODO(mmenke): In the case of NoStatePrefetch, feed into
// ChromeContentRendererClient::CreatePlugin instead, to
// reduce the chance of future regressions.
- bool is_prerendering =
- prerender::PrerenderHelper::IsPrerendering(render_frame);
+ bool is_no_state_prefetching =
+ prerender::NoStatePrefetchHelper::IsPrefetching(render_frame);
- if (is_prerendering) {
+ if (is_no_state_prefetching) {
placeholder = ChromePluginPlaceholder::CreateBlockedPlugin(
render_frame, params, info, identifier, group_name,
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
- placeholder->set_blocked_for_prerendering(is_prerendering);
+ placeholder->set_blocked_for_prerendering(is_no_state_prefetching);
placeholder->AllowLoading();
break;
}
@@ -1311,7 +1313,7 @@
bool ChromeContentRendererClient::IsPrefetchOnly(
content::RenderFrame* render_frame) {
- return prerender::PrerenderHelper::IsPrerendering(render_frame);
+ return prerender::NoStatePrefetchHelper::IsPrefetching(render_frame);
}
uint64_t ChromeContentRendererClient::VisitedLinkHash(const char* canonical_url,
diff --git a/chrome/renderer/chrome_render_frame_observer.cc b/chrome/renderer/chrome_render_frame_observer.cc
index 320457fd..f61dfc4 100644
--- a/chrome/renderer/chrome_render_frame_observer.cc
+++ b/chrome/renderer/chrome_render_frame_observer.cc
@@ -27,7 +27,7 @@
#include "chrome/renderer/media/media_feeds.h"
#include "chrome/renderer/web_page_metadata_extraction.h"
#include "components/crash/core/common/crash_key.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "components/offline_pages/buildflags/buildflags.h"
#include "components/translate/content/renderer/translate_agent.h"
#include "components/translate/core/common/translate_util.h"
@@ -489,8 +489,8 @@
if (document_loader && document_loader->HasUnreachableURL())
return;
- // Don't index/capture pages that are being prerendered.
- if (prerender::PrerenderHelper::IsPrerendering(render_frame()))
+ // Don't index/capture pages that are being no-state prefetched.
+ if (prerender::NoStatePrefetchHelper::IsPrefetching(render_frame()))
return;
// Don't capture contents unless there is either a translate agent or a
diff --git a/chrome/renderer/url_loader_throttle_provider_impl.cc b/chrome/renderer/url_loader_throttle_provider_impl.cc
index 1daaf655..dab13c2 100644
--- a/chrome/renderer/url_loader_throttle_provider_impl.cc
+++ b/chrome/renderer/url_loader_throttle_provider_impl.cc
@@ -20,7 +20,7 @@
#include "chrome/renderer/lite_video/lite_video_url_loader_throttle.h"
#include "chrome/renderer/subresource_redirect/subresource_redirect_params.h"
#include "chrome/renderer/subresource_redirect/subresource_redirect_url_loader_throttle.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "components/safe_browsing/content/renderer/renderer_url_loader_throttle.h"
#include "components/safe_browsing/core/features.h"
#include "content/public/common/content_features.h"
@@ -153,7 +153,7 @@
if (type_ == content::URLLoaderThrottleProviderType::kFrame &&
!is_frame_resource) {
auto throttle =
- prerender::PrerenderHelper::MaybeCreateThrottle(render_frame_id);
+ prerender::NoStatePrefetchHelper::MaybeCreateThrottle(render_frame_id);
if (throttle)
throttles.push_back(std::move(throttle));
}
diff --git a/components/no_state_prefetch/renderer/BUILD.gn b/components/no_state_prefetch/renderer/BUILD.gn
index 3a4e831..9c6c04f 100644
--- a/components/no_state_prefetch/renderer/BUILD.gn
+++ b/components/no_state_prefetch/renderer/BUILD.gn
@@ -6,8 +6,8 @@
sources = [
"no_state_prefetch_client.cc",
"no_state_prefetch_client.h",
- "prerender_helper.cc",
- "prerender_helper.h",
+ "no_state_prefetch_helper.cc",
+ "no_state_prefetch_helper.h",
"prerender_observer.h",
"prerender_observer_list.cc",
"prerender_observer_list.h",
diff --git a/components/no_state_prefetch/renderer/no_state_prefetch_client.cc b/components/no_state_prefetch/renderer/no_state_prefetch_client.cc
index 2946fa5..ac0beef 100644
--- a/components/no_state_prefetch/renderer/no_state_prefetch_client.cc
+++ b/components/no_state_prefetch/renderer/no_state_prefetch_client.cc
@@ -5,7 +5,7 @@
#include "components/no_state_prefetch/renderer/no_state_prefetch_client.h"
#include "base/logging.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_view.h"
#include "third_party/blink/public/web/web_view.h"
@@ -22,7 +22,8 @@
NoStatePrefetchClient::~NoStatePrefetchClient() = default;
bool NoStatePrefetchClient::IsPrefetchOnly() {
- return PrerenderHelper::IsPrerendering(render_view()->GetMainRenderFrame());
+ return NoStatePrefetchHelper::IsPrefetching(
+ render_view()->GetMainRenderFrame());
}
void NoStatePrefetchClient::OnDestruct() {
diff --git a/components/no_state_prefetch/renderer/prerender_helper.cc b/components/no_state_prefetch/renderer/no_state_prefetch_helper.cc
similarity index 64%
rename from components/no_state_prefetch/renderer/prerender_helper.cc
rename to components/no_state_prefetch/renderer/no_state_prefetch_helper.cc
index dc32c50..a12372103 100644
--- a/components/no_state_prefetch/renderer/prerender_helper.cc
+++ b/components/no_state_prefetch/renderer/no_state_prefetch_helper.cc
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_macros.h"
@@ -17,26 +17,26 @@
namespace prerender {
-PrerenderHelper::PrerenderHelper(content::RenderFrame* render_frame,
- const std::string& histogram_prefix)
+NoStatePrefetchHelper::NoStatePrefetchHelper(
+ content::RenderFrame* render_frame,
+ const std::string& histogram_prefix)
: content::RenderFrameObserver(render_frame),
- content::RenderFrameObserverTracker<PrerenderHelper>(render_frame),
+ content::RenderFrameObserverTracker<NoStatePrefetchHelper>(render_frame),
histogram_prefix_(histogram_prefix),
- start_time_(base::TimeTicks::Now()) {
-}
+ start_time_(base::TimeTicks::Now()) {}
-PrerenderHelper::~PrerenderHelper() = default;
+NoStatePrefetchHelper::~NoStatePrefetchHelper() = default;
// static
-std::unique_ptr<blink::URLLoaderThrottle> PrerenderHelper::MaybeCreateThrottle(
- int render_frame_id) {
+std::unique_ptr<blink::URLLoaderThrottle>
+NoStatePrefetchHelper::MaybeCreateThrottle(int render_frame_id) {
content::RenderFrame* render_frame =
content::RenderFrame::FromRoutingID(render_frame_id);
- auto* prerender_helper =
- render_frame ? PrerenderHelper::Get(
- render_frame->GetRenderView()->GetMainRenderFrame())
- : nullptr;
- if (!prerender_helper)
+ auto* helper = render_frame
+ ? NoStatePrefetchHelper::Get(
+ render_frame->GetRenderView()->GetMainRenderFrame())
+ : nullptr;
+ if (!helper)
return nullptr;
mojo::PendingRemote<mojom::PrerenderCanceler> canceler;
@@ -44,38 +44,39 @@
canceler.InitWithNewPipeAndPassReceiver());
auto throttle = std::make_unique<PrerenderURLLoaderThrottle>(
- prerender_helper->histogram_prefix(), std::move(canceler));
- prerender_helper->AddThrottle(*throttle);
+ helper->histogram_prefix(), std::move(canceler));
+ helper->AddThrottle(*throttle);
return throttle;
}
// static.
-bool PrerenderHelper::IsPrerendering(const content::RenderFrame* render_frame) {
- return PrerenderHelper::Get(render_frame) != nullptr;
+bool NoStatePrefetchHelper::IsPrefetching(
+ const content::RenderFrame* render_frame) {
+ return NoStatePrefetchHelper::Get(render_frame) != nullptr;
}
-void PrerenderHelper::DidFinishDocumentLoad() {
+void NoStatePrefetchHelper::DidFinishDocumentLoad() {
parsed_time_ = base::TimeTicks::Now();
prefetch_finished_ = true;
if (prefetch_count_ == 0)
SendPrefetchFinished();
}
-void PrerenderHelper::OnDestruct() {
+void NoStatePrefetchHelper::OnDestruct() {
delete this;
}
-void PrerenderHelper::AddThrottle(PrerenderURLLoaderThrottle& throttle) {
+void NoStatePrefetchHelper::AddThrottle(PrerenderURLLoaderThrottle& throttle) {
// Keep track of how many pending throttles we have, as we want to defer
// sending the "prefetch finished" signal until they are destroyed. This is
// important since that signal tells the browser that it can tear down this
// renderer which could interrupt subresource prefetching.
prefetch_count_++;
throttle.set_destruction_closure(base::BindOnce(
- &PrerenderHelper::OnThrottleDestroyed, weak_factory_.GetWeakPtr()));
+ &NoStatePrefetchHelper::OnThrottleDestroyed, weak_factory_.GetWeakPtr()));
}
-void PrerenderHelper::OnThrottleDestroyed() {
+void NoStatePrefetchHelper::OnThrottleDestroyed() {
if (--prefetch_count_ == 0 && prefetch_finished_) {
UMA_HISTOGRAM_MEDIUM_TIMES(
"Prerender.NoStatePrefetchRendererLifetimeExtension",
@@ -84,7 +85,7 @@
}
}
-void PrerenderHelper::SendPrefetchFinished() {
+void NoStatePrefetchHelper::SendPrefetchFinished() {
DCHECK(prefetch_count_ == 0 && prefetch_finished_);
UMA_HISTOGRAM_MEDIUM_TIMES("Prerender.NoStatePrefetchRendererParseTime",
parsed_time_ - start_time_);
diff --git a/components/no_state_prefetch/renderer/prerender_helper.h b/components/no_state_prefetch/renderer/no_state_prefetch_helper.h
similarity index 60%
rename from components/no_state_prefetch/renderer/prerender_helper.h
rename to components/no_state_prefetch/renderer/no_state_prefetch_helper.h
index d3e9283..1460247 100644
--- a/components/no_state_prefetch/renderer/prerender_helper.h
+++ b/components/no_state_prefetch/renderer/no_state_prefetch_helper.h
@@ -2,8 +2,8 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#ifndef COMPONENTS_NO_STATE_PREFETCH_RENDERER_PRERENDER_HELPER_H_
-#define COMPONENTS_NO_STATE_PREFETCH_RENDERER_PRERENDER_HELPER_H_
+#ifndef COMPONENTS_NO_STATE_PREFETCH_RENDERER_NO_STATE_PREFETCH_HELPER_H_
+#define COMPONENTS_NO_STATE_PREFETCH_RENDERER_NO_STATE_PREFETCH_HELPER_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
@@ -19,24 +19,24 @@
namespace prerender {
class PrerenderURLLoaderThrottle;
-// Helper class to track whether its RenderFrame is currently being prerendered.
-// Created when prerendering starts and deleted as soon as it stops.
-class PrerenderHelper
+// Helper class to track whether its RenderFrame is currently being no-state
+// prefetched. Created when prefetching starts and deleted as soon as it stops.
+class NoStatePrefetchHelper
: public content::RenderFrameObserver,
- public content::RenderFrameObserverTracker<PrerenderHelper> {
+ public content::RenderFrameObserverTracker<NoStatePrefetchHelper> {
public:
- PrerenderHelper(content::RenderFrame* render_frame,
- const std::string& histogram_prefix);
+ NoStatePrefetchHelper(content::RenderFrame* render_frame,
+ const std::string& histogram_prefix);
- ~PrerenderHelper() override;
+ ~NoStatePrefetchHelper() override;
// Configures and returns a new PrerenderURLLoaderThrottle instance if the
- // indicated frame has an associated PrerenderHelper.
+ // indicated frame has an associated NoStatePrefetchHelper.
static std::unique_ptr<blink::URLLoaderThrottle> MaybeCreateThrottle(
int render_frame_id);
- // Returns true if |render_frame| is currently prerendering.
- static bool IsPrerendering(const content::RenderFrame* render_frame);
+ // Returns true if |render_frame| is currently prefetching.
+ static bool IsPrefetching(const content::RenderFrame* render_frame);
std::string histogram_prefix() const { return histogram_prefix_; }
@@ -56,11 +56,11 @@
base::TimeTicks start_time_;
base::TimeTicks parsed_time_;
- base::WeakPtrFactory<PrerenderHelper> weak_factory_{this};
+ base::WeakPtrFactory<NoStatePrefetchHelper> weak_factory_{this};
- DISALLOW_COPY_AND_ASSIGN(PrerenderHelper);
+ DISALLOW_COPY_AND_ASSIGN(NoStatePrefetchHelper);
};
} // namespace prerender
-#endif // COMPONENTS_NO_STATE_PREFETCH_RENDERER_PRERENDER_HELPER_H_
+#endif // COMPONENTS_NO_STATE_PREFETCH_RENDERER_NO_STATE_PREFETCH_HELPER_H_
diff --git a/components/no_state_prefetch/renderer/prerender_render_frame_observer.cc b/components/no_state_prefetch/renderer/prerender_render_frame_observer.cc
index 6391f92..17a48a8 100644
--- a/components/no_state_prefetch/renderer/prerender_render_frame_observer.cc
+++ b/components/no_state_prefetch/renderer/prerender_render_frame_observer.cc
@@ -4,7 +4,7 @@
#include "components/no_state_prefetch/renderer/prerender_render_frame_observer.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "components/no_state_prefetch/renderer/prerender_observer_list.h"
#include "content/public/renderer/render_frame.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"
@@ -34,15 +34,14 @@
void PrerenderRenderFrameObserver::SetIsPrerendering(
const std::string& histogram_prefix) {
- // If the PrerenderHelper for this frame already exists, don't create it. It
- // can already be created for subframes during handling of RenderFrameCreated,
- // if the parent frame was prerendering at time of subframe creation.
- auto* prerender_helper = prerender::PrerenderHelper::Get(render_frame());
- if (!prerender_helper) {
- // The PrerenderHelper will destroy itself either after recording
+ // If the NoStatePrefetchHelper for this frame already exists, don't create
+ // it. It can already be created for subframes during handling of
+ // RenderFrameCreated, if the parent frame was prerendering at time of
+ // subframe creation.
+ if (!prerender::NoStatePrefetchHelper::Get(render_frame())) {
+ // The NoStatePrefetchHelper will destroy itself either after recording
// histograms or on destruction of the RenderView.
- prerender_helper =
- new prerender::PrerenderHelper(render_frame(), histogram_prefix);
+ new prerender::NoStatePrefetchHelper(render_frame(), histogram_prefix);
}
prerender::PrerenderObserverList::SetIsPrerenderingForFrame(
diff --git a/components/no_state_prefetch/renderer/prerender_utils.cc b/components/no_state_prefetch/renderer/prerender_utils.cc
index 151c245..3ad04ee 100644
--- a/components/no_state_prefetch/renderer/prerender_utils.cc
+++ b/components/no_state_prefetch/renderer/prerender_utils.cc
@@ -4,7 +4,7 @@
#include "components/no_state_prefetch/renderer/prerender_utils.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "content/public/common/page_visibility_state.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_view.h"
@@ -49,11 +49,11 @@
// and has never played any media before. We want to allow future loads even
// when hidden to allow playlist-like functionality.
//
- // NOTE: This is also used to defer media loading for prerender.
+ // NOTE: This is also used to defer media loading for NoStatePrefetch.
if ((render_frame->GetRenderView()->GetWebView()->GetVisibilityState() !=
content::PageVisibilityState::kVisible &&
!has_played_media_before) ||
- prerender::PrerenderHelper::IsPrerendering(render_frame)) {
+ prerender::NoStatePrefetchHelper::IsPrefetching(render_frame)) {
new MediaLoadDeferrer(render_frame->GetRenderView(), std::move(closure));
return true;
}
diff --git a/weblayer/renderer/content_renderer_client_impl.cc b/weblayer/renderer/content_renderer_client_impl.cc
index 1f89a88..935645f 100644
--- a/weblayer/renderer/content_renderer_client_impl.cc
+++ b/weblayer/renderer/content_renderer_client_impl.cc
@@ -14,7 +14,7 @@
#include "components/js_injection/renderer/js_communication.h"
#include "components/no_state_prefetch/common/prerender_url_loader_throttle.h"
#include "components/no_state_prefetch/renderer/no_state_prefetch_client.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "components/no_state_prefetch/renderer/prerender_render_frame_observer.h"
#include "components/no_state_prefetch/renderer/prerender_utils.h"
#include "components/page_load_metrics/renderer/metrics_render_frame_observer.h"
@@ -128,13 +128,15 @@
new js_injection::JsCommunication(render_frame);
if (!render_frame->IsMainFrame()) {
- auto* prerender_helper = prerender::PrerenderHelper::Get(
- render_frame->GetRenderView()->GetMainRenderFrame());
- if (prerender_helper) {
+ auto* main_frame_no_state_prefetch_helper =
+ prerender::NoStatePrefetchHelper::Get(
+ render_frame->GetRenderView()->GetMainRenderFrame());
+ if (main_frame_no_state_prefetch_helper) {
// Avoid any race conditions from having the browser tell subframes that
- // they're prerendering.
- new prerender::PrerenderHelper(render_frame,
- prerender_helper->histogram_prefix());
+ // they're no-state prefetching.
+ new prerender::NoStatePrefetchHelper(
+ render_frame,
+ main_frame_no_state_prefetch_helper->histogram_prefix());
}
}
}
@@ -198,7 +200,7 @@
bool ContentRendererClientImpl::IsPrefetchOnly(
content::RenderFrame* render_frame) {
- return prerender::PrerenderHelper::IsPrerendering(render_frame);
+ return prerender::NoStatePrefetchHelper::IsPrefetching(render_frame);
}
bool ContentRendererClientImpl::DeferMediaLoad(
diff --git a/weblayer/renderer/url_loader_throttle_provider.cc b/weblayer/renderer/url_loader_throttle_provider.cc
index 4f0a74fbc..80ba3242 100644
--- a/weblayer/renderer/url_loader_throttle_provider.cc
+++ b/weblayer/renderer/url_loader_throttle_provider.cc
@@ -7,7 +7,7 @@
#include <memory>
#include "base/memory/ptr_util.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "components/safe_browsing/content/renderer/renderer_url_loader_throttle.h"
#include "content/public/renderer/render_thread.h"
#include "third_party/blink/public/common/loader/resource_type_util.h"
@@ -69,7 +69,7 @@
if (type_ == content::URLLoaderThrottleProviderType::kFrame &&
!is_frame_resource) {
auto throttle =
- prerender::PrerenderHelper::MaybeCreateThrottle(render_frame_id);
+ prerender::NoStatePrefetchHelper::MaybeCreateThrottle(render_frame_id);
if (throttle)
throttles.push_back(std::move(throttle));
}
diff --git a/weblayer/renderer/weblayer_render_frame_observer.cc b/weblayer/renderer/weblayer_render_frame_observer.cc
index 42a6e02..60c69b0 100644
--- a/weblayer/renderer/weblayer_render_frame_observer.cc
+++ b/weblayer/renderer/weblayer_render_frame_observer.cc
@@ -8,7 +8,7 @@
#include "base/metrics/histogram_macros.h"
#include "base/time/time.h"
-#include "components/no_state_prefetch/renderer/prerender_helper.h"
+#include "components/no_state_prefetch/renderer/no_state_prefetch_helper.h"
#include "components/translate/content/renderer/translate_agent.h"
#include "components/translate/core/common/translate_util.h"
#include "third_party/blink/public/web/web_document_loader.h"
@@ -115,8 +115,8 @@
if (document_loader && document_loader->HasUnreachableURL())
return;
- // Don't index/capture pages that are being prerendered.
- if (prerender::PrerenderHelper::IsPrerendering(render_frame()))
+ // Don't index/capture pages that are being no-state prefetched.
+ if (prerender::NoStatePrefetchHelper::IsPrefetching(render_frame()))
return;
// Don't capture contents unless there is either a translate agent or a
