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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// A collection of functions designed for use with content_shell based browser
// tests internal to the content/ module.
// Note: If a function here also works with browser_tests, it should be in
// the content public API.
#include <string>
#include <vector>
#include "base/basictypes.h"
class GURL;
namespace content {
class FrameTreeNode;
class Shell;
class SiteInstance;
class ToRenderFrameHost;
// Navigates the frame represented by |node| to |url|, blocking until the
// navigation finishes.
void NavigateFrameToURL(FrameTreeNode* node, const GURL& url);
// Creates compact textual representations of the state of the frame tree that
// is appropriate for use in assertions.
// The diagrams show frame tree structure, the SiteInstance of current frames,
// presence of pending frames, and the SiteInstances of any and all proxies.
// They look like this:
// Site A (D pending) -- proxies for B C
// |--Site B --------- proxies for A C
// +--Site C --------- proxies for B A
// |--Site A ---- proxies for B
// +--Site A ---- proxies for B
// +--Site A -- proxies for B
// Where A =
// B = (no process)
// C =
// D =
// SiteInstances are assigned single-letter names (A, B, C) which are remembered
// across invocations of the pretty-printer.
class FrameTreeVisualizer {
// Formats and returns a diagram for the provided FrameTreeNode.
std::string DepictFrameTree(FrameTreeNode* root);
// Assign or retrive the abbreviated short name (A, B, C) for a site instance.
std::string GetName(SiteInstance* site_instance);
// Elements are site instance ids. The index of the SiteInstance in the vector
// determines the abbreviated name (0->A, 1->B) for that SiteInstance.
std::vector<int> seen_site_instance_ids_;
// Uses to open a popup from the frame |opener| with the specified
// |url| and |name|. Waits for the navigation to |url| to finish and then
// returns the new popup's Shell. Note that since this navigation to |url| is
// renderer-initiated, it won't cause a process swap unless used in
// --site-per-process mode.
Shell* OpenPopup(const ToRenderFrameHost& opener,
const GURL& url,
const std::string& name);
} // namespace content