Remove BrowserPlugin's -internal-attach method

extensions/browser/guest_view/app_view/app_view_guest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/app_view/app_view_guest.h"
 
 #include "base/command_line.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/common/renderer_preferences.h"
 #include "extensions/browser/api/app_runtime/app_runtime_api.h"
@@ skipping 150 matching lines @@
   const Extension* embedder_extension =
       enabled_extensions.GetByID(embedder_extension_id);
 
   if (!guest_extension || !guest_extension->is_platform_app() ||
       !embedder_extension | !embedder_extension->is_platform_app()) {
     callback.Run(NULL);
     return;
   }
 
   pending_response_map.Get().insert(
-      std::make_pair(GetGuestInstanceID(),
+      std::make_pair(guest_instance_id(),
                      make_linked_ptr(new ResponseInfo(
                                         guest_extension,
                                         weak_ptr_factory_.GetWeakPtr(),
                                         callback))));
 
   LazyBackgroundTaskQueue* queue =
       ExtensionSystem::Get(browser_context())->lazy_background_task_queue();
   if (queue->ShouldEnqueueTask(browser_context(), guest_extension)) {
     queue->AddPendingTask(browser_context(),
                           guest_extension->id(),
@@ skipping 58 matching lines @@
   ExtensionSystem* system = ExtensionSystem::Get(browser_context());
   bool has_event_listener = system->event_router()->ExtensionHasEventListener(
       extension_host->extension()->id(),
       app_runtime::OnEmbedRequested::kEventName);
   if (!has_event_listener) {
     callback.Run(NULL);
     return;
   }
 
   scoped_ptr<base::DictionaryValue> embed_request(new base::DictionaryValue());
-  embed_request->SetInteger(appview::kGuestInstanceID, GetGuestInstanceID());
+  embed_request->SetInteger(appview::kGuestInstanceID, guest_instance_id());
   embed_request->SetString(appview::kEmbedderID, embedder_extension_id());
   embed_request->Set(appview::kData, data.release());
   AppRuntimeEventRouter::DispatchOnEmbedRequestedEvent(
       browser_context(), embed_request.Pass(), extension_host->extension());
 }
 
 }  // namespace extensions