Pepper Flash Mac: Fix crash when playing video on MB retina

webkit/plugins/ppapi/ppapi_plugin_instance.h

 // 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.
 
 #ifndef WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 #define WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 195 matching lines @@
   void ViewFlushedPaint();
 
   // If this plugin can be painted merely by copying the backing store to the
   // screen, and the plugin bounds encloses the given paint bounds, returns
   // true. In this case, the location, clipping, and ID of the backing store
   // will be filled into the given output parameters.
   bool GetBitmapForOptimizedPluginPaint(
       const gfx::Rect& paint_bounds,
       TransportDIB** dib,
       gfx::Rect* dib_bounds,
-      gfx::Rect* clip);
+      gfx::Rect* clip,
+      float* scale_factor);
 
   // Tracks all live PluginObjects.
   void AddPluginObject(PluginObject* plugin_object);
   void RemovePluginObject(PluginObject* plugin_object);
 
   string16 GetSelectedText(bool html);
   string16 GetLinkAtPosition(const gfx::Point& point);
   void RequestSurroundingText(size_t desired_number_of_characters);
   void Zoom(double factor, bool text_only);
   bool StartFind(const string16& search_text,
@@ skipping 501 matching lines @@
   // the pointer so we can re-send it later if we are reset to talk to NaCl.
   scoped_refptr<PPB_URLLoader_Impl> document_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstance);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_