Remove PluginDelegate completely. In a followup I'll rename PepperPluginDelegateImpl to something c…

content/renderer/pepper/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper/pepper_plugin_delegate_impl.cc
===================================================================
--- content/renderer/pepper/pepper_plugin_delegate_impl.cc	(revision 214295)
+++ content/renderer/pepper/pepper_plugin_delegate_impl.cc	(working copy)
@@ -574,10 +574,12 @@
       IPC::PlatformFileForTransitToPlatformFile(file_for_transit);
   callback->Run(error_code, base::PassPlatformFile(&file));
   // Make sure we won't leak file handle if the requester has died.
-  if (file != base::kInvalidPlatformFileValue)
-    base::FileUtilProxy::Close(GetFileThreadMessageLoopProxy().get(),
-                               file,
-                               base::FileUtilProxy::StatusCallback());
+  if (file != base::kInvalidPlatformFileValue) {
+    base::FileUtilProxy::Close(
+        RenderThreadImpl::current()->GetFileThreadMessageLoopProxy().get(),
+        file,
+        base::FileUtilProxy::StatusCallback());
+  }
   delete callback;
 }
 
@@ -610,11 +612,6 @@
   last_mouse_event_target_ = NULL;
 }
 
-scoped_refptr<base::MessageLoopProxy>
-PepperPluginDelegateImpl::GetFileThreadMessageLoopProxy() {
-  return RenderThreadImpl::current()->GetFileThreadMessageLoopProxy();
-}
-
 void PepperPluginDelegateImpl::RegisterTCPSocket(
     PPB_TCPSocket_Private_Impl* socket,
     uint32 socket_id) {