VideoCaptureHost/VideoCaptureControllerEventHandler cleanup

content/browser/renderer_host/media/video_capture_host_unittest.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 <map>
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
@@ skipping 121 matching lines @@
                     base::SharedMemoryHandle handle,
                     int length,
                     int buffer_id));
   MOCK_METHOD2(OnBufferFreed,
                void(int device_id, int buffer_id));
   MOCK_METHOD6(OnBufferFilled,
                void(int device_id,
                     int buffer_id,
                     const gfx::Size& coded_size,
                     const gfx::Rect& visible_rect,
-                    base::TimeTicks timestamp,
+                    const base::TimeTicks& timestamp,
                     const base::DictionaryValue& metadata));
   MOCK_METHOD6(OnMailboxBufferFilled,
                void(int device_id,
                     int buffer_id,
                     const gpu::MailboxHolder& mailbox_holder,
                     const gfx::Size& packed_frame_size,
-                    base::TimeTicks timestamp,
+                    const base::TimeTicks& timestamp,
                     const base::DictionaryValue& metadata));
   MOCK_METHOD2(OnStateChanged, void(int device_id, VideoCaptureState state));
 
   // Use class DumpVideo to write I420 video to file.
   void SetDumpVideo(bool enable) {
     dump_video_ = enable;
   }
 
   void SetReturnReceivedDibs(bool enable) {
     return_buffers_ = enable;
@@ skipping 400 matching lines @@
 #ifdef DUMP_VIDEO
 TEST_F(VideoCaptureHostTest, CaptureAndDumpVideoVga) {
   CaptureAndDumpVideo(640, 480, 30);
 }
 TEST_F(VideoCaptureHostTest, CaptureAndDump720P) {
   CaptureAndDumpVideo(1280, 720, 30);
 }
 #endif
 
 }  // namespace content