| // Copyright 2021 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. |
| |
| #include "content/browser/prerender/prerender_metrics.h" |
| |
| #include "base/metrics/histogram_functions.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| PrerenderCancelledInterface GetCancelledInterfaceType( |
| const std::string& interface_name) { |
| if (interface_name == "device.mojom.GamepadHapticsManager") |
| return PrerenderCancelledInterface::kGamepadHapticsManager; |
| else if (interface_name == "device.mojom.GamepadMonitor") |
| return PrerenderCancelledInterface::kGamepadMonitor; |
| else if (interface_name == "blink.mojom.NotificationService") |
| return PrerenderCancelledInterface::kNotificationService; |
| return PrerenderCancelledInterface::kUnknown; |
| } |
| |
| } // namespace |
| |
| // Called by MojoBinderPolicyApplier. This function records the Mojo interface |
| // that causes MojoBinderPolicyApplier to cancel prerendering. |
| void RecordPrerenderCancelledInterface(const std::string& interface_name) { |
| const PrerenderCancelledInterface interface_type = |
| GetCancelledInterfaceType(interface_name); |
| base::UmaHistogramEnumeration( |
| "Prerender.Experimental.PrerenderCancelledInterface", interface_type); |
| } |
| |
| } // namespace content |
