for readability review.

content/renderer/media/video_capture_impl_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 "base/message_loop.h"
+#include "content/common/child_process.h"
 #include "content/common/media/video_capture_messages.h"
 #include "content/renderer/media/video_capture_impl.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::AtLeast;
 using ::testing::Return;
 
 #define CAPABILITY_SMALL {176, 144, 30, media::VideoCaptureCapability::kI420, \
     0, false }
 #define CAPABILITY_LARGE {320, 240, 30, media::VideoCaptureCapability::kI420, \
     0, false }
 
 class MockVideoCaptureMessageFilter : public VideoCaptureMessageFilter {
  public:
   MockVideoCaptureMessageFilter() : VideoCaptureMessageFilter() {}
 
-  // Filter implementation.
+  // Filter  implementation.
   MOCK_METHOD1(Send, bool(IPC::Message* message));
 
  protected:
   virtual ~MockVideoCaptureMessageFilter() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockVideoCaptureMessageFilter);
 };
 
 class MockVideoCaptureClient : public media::VideoCapture::EventHandler {
@@ skipping 61 matching lines @@
       OnStateChanged(video_capture::kStopped);
     }
 
     void DeviceReceiveEmptyBuffer(int device_id, int buffer_id) {}
   };
 
   VideoCaptureImplTest() {
     message_loop_.reset(new MessageLoop(MessageLoop::TYPE_IO));
     message_loop_proxy_ =
         base::MessageLoopProxy::current().get();
+    child_process_.reset(new ChildProcess());
 
     message_filter_ = new MockVideoCaptureMessageFilter;
     session_id_ = 1;
 
     video_capture_impl_ = new MockVideoCaptureImpl(session_id_,
                                                    message_loop_proxy_,
                                                    message_filter_);
 
     video_capture_impl_->device_id_ = 2;
   }
 
   virtual ~VideoCaptureImplTest() {
     delete video_capture_impl_;
   }
 
  protected:
   scoped_ptr<MessageLoop> message_loop_;
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
+  scoped_ptr<ChildProcess> child_process_;
   scoped_refptr<MockVideoCaptureMessageFilter> message_filter_;
   media::VideoCaptureSessionId session_id_;
   MockVideoCaptureImpl* video_capture_impl_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureImplTest);
 };
 
 TEST_F(VideoCaptureImplTest, Simple) {
   // Execute SetCapture() and StopCapture() for one client.
@@ skipping 152 matching lines @@
       .WillOnce(Return());
   EXPECT_CALL(*client2, OnStopped(_))
       .WillOnce(Return());
   EXPECT_CALL(*client2, OnRemoved(_))
       .WillOnce(Return());
 
   video_capture_impl_->StopCapture(client1.get());
   video_capture_impl_->StopCapture(client2.get());
   message_loop_->RunAllPending();
 }