Add VideoCaptureDevice::GetDeviceSupportedFormats to interface + implementation for Linux and Fake

media/video/capture/win/video_capture_device_win.h

 // 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.
 
 // Windows specific implementation of VideoCaptureDevice.
 // DirectShow is used for capturing. DirectShow provide its own threads
 // for capturing.
 
 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_
 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_
@@ skipping 28 matching lines @@
   // This function is used by the static VideoCaptureDevice::Create function.
   bool Init();
 
   // VideoCaptureDevice implementation.
   virtual void Allocate(const VideoCaptureCapability& capture_format,
                          VideoCaptureDevice::EventHandler* observer) OVERRIDE;
   virtual void Start() OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual void DeAllocate() OVERRIDE;
   virtual const Name& device_name() OVERRIDE;
+  virtual void GetDeviceSupportedFormats(
+      const std::string& device_name,
+      VideoCaptureFormats* capture_formats) OVERRIDE;
 
   static void GetDeviceNames(Names* device_names);
 
  private:
   enum InternalState {
     kIdle,  // The device driver is opened but camera is not in use.
     kAllocated,  // The camera has been allocated and can be started.
     kCapturing,  // Video is being captured.
     kError  // Error accessing HW functions.
             // User needs to recover by destroying the object.
@@ skipping 23 matching lines @@
 
   // Map of all capabilities this device support.
   CapabilityList capabilities_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_