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

media/video/capture/video_capture_device_unittest.cc

Index: media/video/capture/video_capture_device_unittest.cc
diff --git a/media/video/capture/video_capture_device_unittest.cc b/media/video/capture/video_capture_device_unittest.cc
index 5a19d272c93d3eef65707bf92b21173bcfc0b0e2..76fde6e4091b994f4b72d817c2b612019fa6bea5 100644
--- a/media/video/capture/video_capture_device_unittest.cc
+++ b/media/video/capture/video_capture_device_unittest.cc
@@ -120,6 +120,7 @@ class VideoCaptureDeviceTest : public testing::Test {
   base::WaitableEvent wait_event_;
   scoped_ptr<MockFrameObserver> frame_observer_;
   VideoCaptureDevice::Names names_;
+  VideoCaptureFormats capture_formats_;
   scoped_ptr<base::MessageLoop> loop_;
 };
 
@@ -450,4 +451,20 @@ TEST_F(VideoCaptureDeviceTest, FakeCaptureVariableResolution) {
   device->DeAllocate();
 }
 
+TEST_F(VideoCaptureDeviceTest, GetDeviceSupportedFormats) {
+  VideoCaptureDevice::Names names;
+
+  FakeVideoCaptureDevice::GetDeviceNames(&names);
+  scoped_ptr<VideoCaptureDevice> device(
+      FakeVideoCaptureDevice::Create(names.front()));
+  ASSERT_TRUE(device.get() != NULL);
+  device->GetDeviceSupportedFormats("", &capture_formats_);
+
+  EXPECT_GE(capture_formats_.size(), 1u);
+  EXPECT_EQ(capture_formats_[0].width, 640);
+  EXPECT_EQ(capture_formats_[0].height, 480);
+  EXPECT_EQ(capture_formats_[0].color, media::PIXEL_FORMAT_I420);
+  EXPECT_GE(capture_formats_[0].frame_rate, 20);
+}
+
 };  // namespace media