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..dff34469e17346501f4f0c53228053b1a325b7d9 100644
--- a/media/video/capture/video_capture_types.h
+++ b/media/video/capture/video_capture_types.h
@@ -57,8 +57,25 @@ class MEDIA_EXPORT VideoCaptureFormat {
   VideoPixelFormat pixel_format;
 };
 
+// Image capture format specification.
+// This class is used by the video capture device to specify the format of a
+// still image captured and returned to a client. A list of these is also
+// provided when client queries supported formats for still image capture.
+class MEDIA_EXPORT ImageCaptureFormat {
+ 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