Extract VideoCaptureDeviceFactory out of VideoCaptureDevice and use for File and FakeVCD.

content/browser/renderer_host/media/media_stream_manager_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 <string>
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/renderer_host/media/media_stream_manager.h"
 #include "content/browser/renderer_host/media/media_stream_ui_proxy.h"
 #include "content/common/media/media_stream_options.h"
+#include "content/public/common/content_switches.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "media/audio/audio_manager_base.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(USE_ALSA)
 #include "media/audio/alsa/audio_manager_alsa.h"
 #elif defined(OS_ANDROID)
 #include "media/audio/android/audio_manager_android.h"
@@ skipping 44 matching lines @@
  private:
   media::FakeAudioLogFactory fake_audio_log_factory_;
   DISALLOW_COPY_AND_ASSIGN(MockAudioManager);
 };
 
 class MediaStreamManagerTest : public ::testing::Test {
  public:
   MediaStreamManagerTest()
       : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
         message_loop_(base::MessageLoopProxy::current()) {
-    // Create our own MediaStreamManager.
+    // Create our own MediaStreamManager. Use fake devices to run on the bots.
+    CommandLine::ForCurrentProcess()->AppendSwitch(
+        switches::kUseFakeDeviceForMediaStream);
     audio_manager_.reset(new MockAudioManager());
     media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get()));
-
-    // Use fake devices in order to run on the bots.
-    media_stream_manager_->UseFakeDevice();
-  }
+}
 
   virtual ~MediaStreamManagerTest() {
   }
 
   MOCK_METHOD1(Response, void(int index));
   void ResponseCallback(int index,
                         const MediaStreamDevices& devices,
                         scoped_ptr<MediaStreamUIProxy> ui_proxy) {
     Response(index);
     message_loop_->PostTask(FROM_HERE, run_loop_.QuitClosure());
@@ skipping 77 matching lines @@
   std::string label2 = MakeMediaAccessRequest(1);
   media_stream_manager_->CancelRequest(label1);
 
   // Expecting the callback from the second request will be triggered and
   // quit the test.
   EXPECT_CALL(*this, Response(1));
   run_loop_.Run();
 }
 
 }  // namespace content