Rename PPAPI Video Stream APIs.

ppapi/cpp/private/video_frame_private.cc

 // 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"
+#include "ppapi/cpp/private/video_frame_private.h"
 
 namespace pp {
 
-// VideoFrame ------------------------------------------------------------------
-
-VideoFrame::VideoFrame()
+VideoFrame_Private::VideoFrame_Private()
     : video_frame_() {
   video_frame_.image_data = image_data_.pp_resource();
 }
 
-VideoFrame::VideoFrame(const ImageData& image_data, PP_TimeTicks timestamp)
+VideoFrame_Private::VideoFrame_Private(const ImageData& image_data,
+                                       PP_TimeTicks timestamp)
     : image_data_(image_data), video_frame_() {
   video_frame_.timestamp = timestamp;
   video_frame_.image_data = image_data_.pp_resource();
 }
 
-VideoFrame::VideoFrame(PassRef, const PP_VideoFrame& pp_video_frame)
+VideoFrame_Private::VideoFrame_Private(
+    PassRef,
+    const PP_VideoFrame_Private& pp_video_frame)
     : video_frame_(pp_video_frame) {
   // Take over the image_data resource in the frame.
   image_data_ = ImageData(PASS_REF, video_frame_.image_data);
 }
 
-VideoFrame::VideoFrame(const VideoFrame& other)
+VideoFrame_Private::VideoFrame_Private(const VideoFrame_Private& other)
     : video_frame_() {
   set_image_data(other.image_data());
   set_timestamp(other.timestamp());
 }
 
-VideoFrame::~VideoFrame() {
+VideoFrame_Private::~VideoFrame_Private() {
 }
 
-VideoFrame& VideoFrame::operator=(const VideoFrame& other) {
+VideoFrame_Private& VideoFrame_Private::operator=(
+    const VideoFrame_Private& other) {
   if (this == &other)
     return *this;
 
   set_image_data(other.image_data());
   set_timestamp(other.timestamp());
 
   return *this;
 }
 
 }  // namespace pp