Added support for YUV videos to the software compositor.

cc/video_frame_draw_quad.cc

Index: cc/video_frame_draw_quad.cc
diff --git a/cc/video_frame_draw_quad.cc b/cc/video_frame_draw_quad.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1eb48bdc1488a983845ed840f75e664e504f0ace
--- /dev/null
+++ b/cc/video_frame_draw_quad.cc
@@ -0,0 +1,34 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+
+#include "cc/video_frame_draw_quad.h"
+
+#include "base/logging.h"
+#include "media/base/video_frame.h"
+
+namespace cc {
+
+scoped_ptr<VideoFrameDrawQuad> VideoFrameDrawQuad::create(
+    const SharedQuadState* shared_quad_state,
+    const gfx::Rect& quad_rect,
+    media::VideoFrame* frame) {
+  return make_scoped_ptr(new VideoFrameDrawQuad(shared_quad_state, quad_rect, frame));
+}
+
+VideoFrameDrawQuad::VideoFrameDrawQuad(
+    const SharedQuadState* shared_quad_state,
+    const gfx::Rect& quad_rect,
+    media::VideoFrame* frame)
+  : DrawQuad(shared_quad_state, DrawQuad::VideoFrameContent, quad_rect)
+  , frame_(frame) {
+}
+
+const VideoFrameDrawQuad* VideoFrameDrawQuad::materialCast(const DrawQuad* quad) {
+  DCHECK(quad->material() == DrawQuad::VideoFrameContent);
+  return static_cast<const VideoFrameDrawQuad*>(quad);
+}
+
+}  // namespace cc