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

media/video/capture/fake_video_capture_device.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 "media/video/capture/fake_video_capture_device.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 16 matching lines @@
   // Empty the name list.
   device_names->erase(device_names->begin(), device_names->end());
 
   for (int n = 0; n < kNumberOfFakeDevices; n++) {
     Name name(base::StringPrintf("fake_device_%d", n),
               base::StringPrintf("/dev/video%d", n));
     device_names->push_back(name);
   }
 }
 
+void FakeVideoCaptureDevice::GetDeviceSupportedFormats(
+    const Name& device,
+    VideoCaptureFormats* formats) {
+  VideoCaptureCapability capture_format;
+  capture_format.color = media::PIXEL_FORMAT_I420;
+  capture_format.width = 640;
+  capture_format.height = 480;
+  capture_format.frame_rate = 1000 / kFakeCaptureTimeoutMs;
+  formats->push_back(capture_format);
+}
+
 VideoCaptureDevice* FakeVideoCaptureDevice::Create(const Name& device_name) {
   if (fail_next_create_) {
     fail_next_create_ = false;
     return NULL;
   }
   for (int n = 0; n < kNumberOfFakeDevices; ++n) {
     std::string possible_id = base::StringPrintf("/dev/video%d", n);
     if (device_name.id().compare(possible_id) == 0) {
       return new FakeVideoCaptureDevice();
     }
@@ skipping 181 matching lines @@
                                     30,
                                     PIXEL_FORMAT_I420,
                                     0,
                                     false,
                                     VariableResolutionVideoCaptureDevice));
 
   capabilities_roster_index_ = 0;
 }
 
 }  // namespace media