Implement IPCs and VideoCapture::Client interfaces for texture capture

media/video/capture/video_capture_types.cc

Index: media/video/capture/video_capture_types.cc
diff --git a/media/video/capture/video_capture_types.cc b/media/video/capture/video_capture_types.cc
index aee3865a57be3f0e4f22017ee2c3e6a22b0052a8..98958e5760c118afd2c24463933820227ff1fa00 100644
--- a/media/video/capture/video_capture_types.cc
+++ b/media/video/capture/video_capture_types.cc
@@ -21,7 +21,7 @@ VideoCaptureFormat::VideoCaptureFormat(const gfx::Size& frame_size,
 bool VideoCaptureFormat::IsValid() const {
   return (frame_size.width() < media::limits::kMaxDimension) &&
          (frame_size.height() < media::limits::kMaxDimension) &&
-         (frame_size.GetArea() > 0) &&
+         (frame_size.GetArea() >= 0) &&

[mcasas, 2014/01/21 14:34:02]

I think a frame with dimensions (0,0) is correct in this
sense but I had heated arguments on this before with
other members of the team.

          (frame_size.GetArea() < media::limits::kMaxCanvas) &&
          (frame_rate > 0) &&
          (frame_rate < media::limits::kMaxFramesPerSecond) &&