Hide knowledge of webkit::ppapi::PluginDelegate from chrome. This is part of moving ppapi implement…

webkit/plugins/ppapi/plugin_module.h

Index: webkit/plugins/ppapi/plugin_module.h
===================================================================
--- webkit/plugins/ppapi/plugin_module.h	(revision 212906)
+++ webkit/plugins/ppapi/plugin_module.h	(working copy)
@@ -32,6 +32,10 @@
 class FilePath;
 }
 
+namespace content {
+class RenderView;
+}
+
 namespace ppapi {
 class CallbackTracker;
 class WebKitForwarding;
@@ -158,6 +162,7 @@
   const ::ppapi::PpapiPermissions& permissions() const { return permissions_; }
 
   PluginInstance* CreateInstance(PluginDelegate* delegate,
+                                 content::RenderView* render_view,
                                  WebKit::WebPluginContainer* container,
                                  const GURL& plugin_url);