Replace VideoDecoder::media_format() with significantly simpler width()/height() methods.

media/tools/player_wtl/wtl_renderer.cc

 // Copyright (c) 2011 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 "media/tools/player_wtl/wtl_renderer.h"
 
 #include "media/tools/player_wtl/view.h"
 
 WtlVideoRenderer::WtlVideoRenderer(WtlVideoWindow* window)
     : window_(window) {
 }
 
 WtlVideoRenderer::~WtlVideoRenderer() {}
 
-// static
-bool WtlVideoRenderer::IsMediaFormatSupported(
-    const media::MediaFormat& media_format) {
-  return ParseMediaFormat(media_format, NULL, NULL, NULL);
+bool WtlVideoRenderer::OnInitialize(media::VideoDecoder* decoder) {
+  window_->SetSize(decoder->width(), decoder->height());
+  return true;
 }
 
 void WtlVideoRenderer::OnStop(media::FilterCallback* callback) {
   if (callback) {
     callback->Run();
     delete callback;
   }
 }
 
-bool WtlVideoRenderer::OnInitialize(media::VideoDecoder* decoder) {
-  window_->SetSize(width(), height());
-  return true;
-}
-
 void WtlVideoRenderer::OnFrameAvailable() {
   window_->Invalidate();
 }