Extend Blink mock devices to return frame rate on getSettings.

content/shell/renderer/layout_test/blink_test_runner.cc

 // Copyright (c) 2012 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/shell/renderer/layout_test/blink_test_runner.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <clocale>
@@ skipping 161 matching lines @@
 
 class MockVideoCapturerSource : public media::VideoCapturerSource {
  public:
   MockVideoCapturerSource() = default;
   ~MockVideoCapturerSource() override {}
 
   void GetCurrentSupportedFormats(
       int max_requested_width,
       int max_requested_height,
       double max_requested_frame_rate,
-      const VideoCaptureDeviceFormatsCB& callback) override {}
-  void StartCapture(
-      const media::VideoCaptureParams& params,
-      const VideoCaptureDeliverFrameCB& new_frame_callback,
-      const RunningCallback& running_callback) override {}
+      const VideoCaptureDeviceFormatsCB& callback) override {
+    const int supported_width = 640;
+    const int supported_height = 480;
+    const float supported_framerate = 60.0;
+    callback.Run(media::VideoCaptureFormats(
+        1, media::VideoCaptureFormat(
+               gfx::Size(supported_width, supported_height),
+               supported_framerate, media::PIXEL_FORMAT_I420)));
+  }
+  void StartCapture(const media::VideoCaptureParams& params,
+                    const VideoCaptureDeliverFrameCB& new_frame_callback,
+                    const RunningCallback& running_callback) override {
+    running_callback.Run(true);
+  }
   void StopCapture() override {}
 };
 
 class MockAudioCapturerSource : public media::AudioCapturerSource {
  public:
   MockAudioCapturerSource() = default;
 
   void Initialize(const media::AudioParameters& params,
                   CaptureCallback* callback,
                   int session_id) override {}
@@ skipping 808 matching lines @@
   get_bluetooth_events_callbacks_.pop_front();
   callback.Run(events);
 }
 
 void BlinkTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 }  // namespace content