Create a public API around webkit::ppapi::PluginInstance and use it in chrome. After this, webkit/p…

content/renderer/render_view_pepper_helper.h

Index: content/renderer/render_view_pepper_helper.h
===================================================================
--- content/renderer/render_view_pepper_helper.h	(revision 213350)
+++ content/renderer/render_view_pepper_helper.h	(working copy)
@@ -32,7 +32,7 @@
 
 namespace webkit {
 namespace ppapi {
-class PluginInstance;
+class PluginInstanceImpl;
 }
 }
 
@@ -56,7 +56,7 @@
 
   // Called by RenderView to implement the corresponding function in its base
   // class RenderWidget (see that for more).
-  virtual webkit::ppapi::PluginInstance* GetBitmapForOptimizedPluginPaint(
+  virtual webkit::ppapi::PluginInstanceImpl* GetBitmapForOptimizedPluginPaint(
       const gfx::Rect& paint_bounds,
       TransportDIB** dib,
       gfx::Rect* location,