Simplify platform_canvas.h by recognizing that PlatformCanvas does not actually extend

content/renderer/browser_plugin/browser_plugin.cc

 // Copyright (c) 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 "content/renderer/browser_plugin/browser_plugin.h"
 
 #include "base/json/json_string_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 744 matching lines @@
   delete damage_buffer_;
 #else
   RenderProcess::current()->FreeTransportDIB(damage_buffer_);
   damage_buffer_ = NULL;
 #endif
 }
 
 TransportDIB* BrowserPlugin::PopulateResizeGuestParameters(
     BrowserPluginHostMsg_ResizeGuest_Params* params,
     int view_width, int view_height) {
-  const size_t stride = skia::PlatformCanvas::StrideForWidth(view_width);
+  const size_t stride = skia::PlatformCanvasStrideForWidth(view_width);
   // Make sure the size of the damage buffer is at least four bytes so that we
   // can fit in a magic word to verify that the memory is shared correctly.
   size_t size =
       std::max(sizeof(unsigned int),
                static_cast<size_t>(view_height *
                                    stride *
                                    GetDeviceScaleFactor() *
                                    GetDeviceScaleFactor()));
 
   // Don't drop the old damage buffer until after we've made sure that the
@@ skipping 146 matching lines @@
                                                  void* notify_data) {
 }
 
 void BrowserPlugin::didFailLoadingFrameRequest(
     const WebKit::WebURL& url,
     void* notify_data,
     const WebKit::WebURLError& error) {
 }
 
 }  // namespace content