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

media/media.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 694 matching lines @@
             'audio/pulse/pulse_input.cc',
             'audio/pulse/pulse_input.h',
             'audio/pulse/pulse_output.cc',
             'audio/pulse/pulse_output.h',
             'audio/pulse/pulse_unified.cc',
             'audio/pulse/pulse_unified.h',
             'audio/pulse/pulse_util.cc',
             'audio/pulse/pulse_util.h',
           ],
         }],
-        ['os_posix==1', {
-          'sources!': [
-            'video/capture/video_capture_device_dummy.cc',
-            'video/capture/video_capture_device_dummy.h',
-          ],
-        }],
         ['OS=="mac"', {
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/AudioToolbox.framework',
               '$(SDKROOT)/System/Library/Frameworks/AudioUnit.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreAudio.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreMIDI.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreVideo.framework',
               '$(SDKROOT)/System/Library/Frameworks/OpenGL.framework',
               '$(SDKROOT)/System/Library/Frameworks/QTKit.framework',
             ],
           },
         }],
         ['OS=="win"', {
-          'sources!': [
-            'video/capture/video_capture_device_dummy.cc',
-            'video/capture/video_capture_device_dummy.h',
-          ],
           'link_settings':  {
             'libraries': [
               '-lmf.lib',
               '-lmfplat.lib',
               '-lmfreadwrite.lib',
               '-lmfuuid.lib',
             ],
           },
           # Specify delayload for media.dll.
           'msvs_settings': {
@@ skipping 788 matching lines @@
                   ],
                 }],
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }