[Extensions] Clean up the handling of ExtensionHostMsg_Request

extensions/browser/app_window/app_window_contents.cc

 // Copyright 2013 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/app_window/app_window_contents.h"
 
 #include <string>
 #include <utility>
 
 #include "content/public/browser/browser_context.h"
@@ skipping 10 matching lines @@
 namespace extensions {
 
 AppWindowContentsImpl::AppWindowContentsImpl(AppWindow* host) : host_(host) {}
 
 AppWindowContentsImpl::~AppWindowContentsImpl() {}
 
 void AppWindowContentsImpl::Initialize(content::BrowserContext* context,
                                        const GURL& url) {
   url_ = url;
 
-  extension_function_dispatcher_.reset(
-      new ExtensionFunctionDispatcher(context, this));
-
   web_contents_.reset(
       content::WebContents::Create(content::WebContents::CreateParams(
           context, content::SiteInstance::CreateForURL(context, url_))));
 
   Observe(web_contents_.get());
   web_contents_->GetMutableRendererPrefs()->
       browser_handles_all_top_level_requests = true;
   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
 }
 
@@ skipping 45 matching lines @@
                                            "app.window",
                                            "appWindowShownForTests",
                                            args,
                                            false));
 }
 
 content::WebContents* AppWindowContentsImpl::GetWebContents() const {
   return web_contents_.get();
 }
 
+WindowController* AppWindowContentsImpl::GetWindowController() const {
+  return nullptr;
+}
+
 bool AppWindowContentsImpl::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(AppWindowContentsImpl, message)
-    IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_UpdateDraggableRegions,
                         UpdateDraggableRegions)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
-WindowController* AppWindowContentsImpl::GetExtensionWindowController() const {
-  return NULL;
-}
-
-content::WebContents* AppWindowContentsImpl::GetAssociatedWebContents() const {
-  return web_contents_.get();
-}
-
-void AppWindowContentsImpl::OnRequest(
-    const ExtensionHostMsg_Request_Params& params) {
-  extension_function_dispatcher_->Dispatch(
-      params, web_contents_->GetRenderViewHost());
-}
-
 void AppWindowContentsImpl::UpdateDraggableRegions(
     const std::vector<DraggableRegion>& regions) {
   host_->UpdateDraggableRegions(regions);
 }
 
 void AppWindowContentsImpl::SuspendRenderViewHost(
     content::RenderViewHost* rvh) {
   DCHECK(rvh);
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&content::ResourceDispatcherHost::BlockRequestsForRoute,
                  base::Unretained(content::ResourceDispatcherHost::Get()),
                  rvh->GetProcess()->GetID(), rvh->GetRoutingID()));
 }
 
 }  // namespace extensions