Add still image capture interface for VideoCaptureDevice.

media/video/capture/video_capture_types.h

Index: media/video/capture/video_capture_types.h
diff --git a/media/video/capture/video_capture_types.h b/media/video/capture/video_capture_types.h
index a6a13a81b070cb33224012525bda8b8dc1911c18..e3a5ca212f611211acbdb39a0e96adbbb0b3ec5f 100644
--- a/media/video/capture/video_capture_types.h
+++ b/media/video/capture/video_capture_types.h
@@ -57,8 +57,21 @@ class MEDIA_EXPORT VideoCaptureFormat {
   VideoPixelFormat pixel_format;
 };
 
+class MEDIA_EXPORT ImageCaptureFormat {

[wuchengli, 2014/09/09 05:53:22]

Add comments like VideoCaptureFormat.

[Owen Lin, 2014/09/11 06:18:00]

Done.

+ public:
+  ImageCaptureFormat();
+
+  ImageCaptureFormat(const gfx::Size& frame_size,
+                     VideoPixelFormat pixel_format);
+
+  gfx::Size frame_size;
+  VideoPixelFormat pixel_format;
+};
+
 typedef std::vector<VideoCaptureFormat> VideoCaptureFormats;
 
+typedef std::vector<ImageCaptureFormat> ImageCaptureFormats;
+
 // Parameters for starting video capture.
 // This class is used by the client of a video capture device to specify the
 // format of frames in which the client would like to have captured frames