VideoCaptureDeviceWin: Extract class-static method into a Factory (both MF/DS)

media/video/capture/video_capture_device_factory.cc

 // Copyright 2014 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 "media/video/capture/video_capture_device_factory.h"
 
 #include "base/command_line.h"
 #include "media/base/media_switches.h"
 #include "media/video/capture/fake_video_capture_device_factory.h"
 #include "media/video/capture/file_video_capture_device_factory.h"
 
 #if defined(OS_MACOSX)
 #include "media/video/capture/mac/video_capture_device_factory_mac.h"
+#elif defined(OS_WIN)
+#include "media/video/capture/win/video_capture_device_factory_win.h"
 #endif
 
 namespace media {
 
 // static
 scoped_ptr<VideoCaptureDeviceFactory>
     VideoCaptureDeviceFactory::CreateFactory() {
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   // Use a Fake or File Video Device Factory if the command line flags are
   // present, otherwise use the normal, platform-dependent, device factory.
   if (command_line->HasSwitch(switches::kUseFakeDeviceForMediaStream)) {
     if (command_line->HasSwitch(switches::kUseFileForFakeVideoCapture)) {
       return scoped_ptr<VideoCaptureDeviceFactory>(new
           media::FileVideoCaptureDeviceFactory());
     } else {
       return scoped_ptr<VideoCaptureDeviceFactory>(new
           media::FakeVideoCaptureDeviceFactory());
     }
   } else {
 #if defined(OS_MACOSX)
     return scoped_ptr<VideoCaptureDeviceFactory>(new
         VideoCaptureDeviceFactoryMac());
+#elif defined(OS_WIN)
+    return scoped_ptr<VideoCaptureDeviceFactory>(new
+        VideoCaptureDeviceFactoryWin());
 #else
     return scoped_ptr<VideoCaptureDeviceFactory>(new
         VideoCaptureDeviceFactory());
 #endif
   }
 }
 
 VideoCaptureDeviceFactory::VideoCaptureDeviceFactory() {
   thread_checker_.DetachFromThread();
 }
@@ skipping 14 matching lines @@
 }
 
 void VideoCaptureDeviceFactory::GetDeviceSupportedFormats(
     const VideoCaptureDevice::Name& device,
     VideoCaptureFormats* supported_formats) {
   DCHECK(thread_checker_.CalledOnValidThread());
   VideoCaptureDevice::GetDeviceSupportedFormats(device, supported_formats);
 }
 
 }  // namespace media