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..c6ec4d84143f19cc78ae800f5f052660a91875d9 100644
--- a/media/video/capture/video_capture_types.h
+++ b/media/video/capture/video_capture_types.h
@@ -38,7 +38,7 @@ const int kFrameRatePrecision = 10000;
 // Video capture format specification.
 // This class is used by the video capture device to specify the format of every
 // frame captured and returned to a client. It is also used to specify a
-// supported capture format by a device.
+// supported still image capture format by a device.

[wuchengli, 2014/09/17 06:54:29]

This belongs to ImageCaptureFormat, not here.

[Owen Lin, 2014/09/17 07:54:04]

Oops. 

 class MEDIA_EXPORT VideoCaptureFormat {
  public:
   VideoCaptureFormat();
@@ -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 the

[Pawel Osciak, 2014/09/17 11:29:42]

s/the format of the/the format of a/

[Owen Lin, 2014/09/18 06:04:15]

Done.

+// still image captured and returned to a client. It is also used to specify a

[Pawel Osciak, 2014/09/17 11:29:42]

A list of these is also provided when client queries supported formats for still
image capture.

[Owen Lin, 2014/09/18 06:04:15]

Done.

+// supported capture format by a device.
+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