Add PP_VideoFrame, PPB_VideoReader, and PPB_VideoWriter APIs to Pepper.

ppapi/cpp/video_frame.cc

Index: ppapi/cpp/video_frame.cc
diff --git a/ppapi/cpp/video_frame.cc b/ppapi/cpp/video_frame.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d79d94275540c5645019d20e68a2ef9144cf970e
--- /dev/null
+++ b/ppapi/cpp/video_frame.cc
@@ -0,0 +1,41 @@
+// Copyright (c) 2013 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 "ppapi/cpp/video_frame.h"
+
+namespace pp {
+
+// VideoFrame ------------------------------------------------------------------
+
+VideoFrame::VideoFrame() {
+  video_frame_.image_data = image_data_.pp_resource();
+  set_timestamp(0);
+}
+
+VideoFrame::VideoFrame(
+    PassRef,
+    const PP_VideoFrame& pp_video_frame) {

[dmichael (off chromium), 2013/04/04 20:18:41]

I think you probably need to default-initialize pp_video_frame_ in both
constructors

[bbudge, 2013/04/04 21:15:16]

Done.

+  video_frame_ = pp_video_frame;
+  image_data_ = ImageData(PASS_REF, pp_video_frame.image_data);
+}
+
+VideoFrame::VideoFrame(const VideoFrame& other) {
+  set_image_data(other.image_data());
+  set_timestamp(other.timestamp());
+}
+
+VideoFrame::~VideoFrame() {
+}
+
+VideoFrame& VideoFrame::operator=(const VideoFrame& other) {
+  if (this == &other)
+    return *this;
+
+  set_image_data(other.image_data());
+  set_timestamp(other.timestamp());
+
+  return *this;
+}
+
+}  // namespace pp