Convert PepperBrowserConnection to be a RenderFrameObserver.

content/renderer/pepper/pepper_plugin_instance_impl.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/pepper/pepper_plugin_instance_impl.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 527 matching lines @@
 
   if (render_frame) {  // NULL in tests
     render_frame->PepperInstanceCreated(this);
     view_data_.is_page_visible = !render_frame_->GetRenderWidget()->is_hidden();
 
     // Set the initial focus.
     SetContentAreaFocus(render_frame_->GetRenderWidget()->has_focus());
 
     if (!module_->IsProxied()) {
       PepperBrowserConnection* browser_connection =
-          PepperBrowserConnection::Get(render_frame_->render_view());
+          PepperBrowserConnection::Get(render_frame_);
       browser_connection->DidCreateInProcessInstance(
           pp_instance(),
           render_frame_->render_view()->GetRoutingID(),
           container_->element().document().url(),
           GetPluginURL());
     }
   }
 
   RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
   resource_creation_ = host_impl->CreateInProcessResourceCreationAPI(this);
@@ skipping 18 matching lines @@
     delete *i;
 
   if (TrackedCallback::IsPending(lock_mouse_callback_))
     lock_mouse_callback_->Abort();
 
   if (render_frame_)
     render_frame_->PepperInstanceDeleted(this);
 
   if (!module_->IsProxied() && render_frame_) {
     PepperBrowserConnection* browser_connection =
-        PepperBrowserConnection::Get(render_frame_->render_view());
+        PepperBrowserConnection::Get(render_frame_);
     browser_connection->DidDeleteInProcessInstance(pp_instance());
   }
 
   UnSetAndDeleteLockTargetAdapter();
   module_->InstanceDeleted(this);
   // If we switched from the NaCl plugin module, notify it too.
   if (original_module_.get())
     original_module_->InstanceDeleted(this);
 
   // This should be last since some of the above "instance deleted" calls will
@@ skipping 2477 matching lines @@
     // Running out-of-process. Initiate an IPC call to notify the plugin
     // process.
     ppapi::proxy::HostDispatcher* dispatcher =
         ppapi::proxy::HostDispatcher::GetForInstance(pp_instance());
     dispatcher->Send(new PpapiMsg_PPPInstance_HandleDocumentLoad(
         ppapi::API_ID_PPP_INSTANCE, pp_instance(), pending_host_id, data));
   }
 }
 
 }  // namespace content