[Extensions] Clean up the handling of ExtensionHostMsg_Request

chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc

 // Copyright (c) 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 "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/shell.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "content/public/browser/host_zoom_map.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/event_router.h"
-#include "extensions/browser/extension_function_dispatcher.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/view_type_utils.h"
 #include "extensions/common/api/virtual_keyboard_private.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_messages.h"
 #include "ipc/ipc_message_macros.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
@@ skipping 83 matching lines @@
 
 AshKeyboardControllerProxy::AshKeyboardControllerProxy(
     content::BrowserContext* context)
     : keyboard::KeyboardControllerProxy(context) {
 }
 
 AshKeyboardControllerProxy::~AshKeyboardControllerProxy() {
   DCHECK(!keyboard_controller_);
 }
 
-void AshKeyboardControllerProxy::OnRequest(
-    const ExtensionHostMsg_Request_Params& params) {
-  extension_function_dispatcher_->Dispatch(
-      params, web_contents()->GetRenderViewHost());
-}
-
 ui::InputMethod* AshKeyboardControllerProxy::GetInputMethod() {
   aura::Window* root_window = ash::Shell::GetInstance()->GetPrimaryRootWindow();
   DCHECK(root_window);
   return root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
 }
 
 void AshKeyboardControllerProxy::RequestAudioInput(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) {
   const extensions::Extension* extension = NULL;
   GURL origin(request.security_origin);
   if (origin.SchemeIs(extensions::kExtensionScheme)) {
     const extensions::ExtensionRegistry* registry =
         extensions::ExtensionRegistry::Get(browser_context());
     extension = registry->enabled_extensions().GetByID(origin.host());
     DCHECK(extension);
   }
 
   MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
       web_contents, request, callback, extension);
 }
 
 void AshKeyboardControllerProxy::SetupWebContents(
     content::WebContents* contents) {
-  extension_function_dispatcher_.reset(
-      new extensions::ExtensionFunctionDispatcher(browser_context(), this));
   extensions::SetViewType(contents, extensions::VIEW_TYPE_VIRTUAL_KEYBOARD);
   extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
       contents);
   Observe(contents);
 }
 
-extensions::WindowController*
-    AshKeyboardControllerProxy::GetExtensionWindowController() const {
-  // The keyboard doesn't have a window controller.
-  return NULL;
-}
-
 void AshKeyboardControllerProxy::SetController(
     keyboard::KeyboardController* controller) {
   // During KeyboardController destruction, controller can be set to null.
   if (!controller) {
     DCHECK(keyboard_controller_);
     keyboard_controller_->RemoveObserver(observer_.get());
     keyboard_controller_ = nullptr;
     return;
   }
   keyboard_controller_ = controller;
   observer_.reset(new AshKeyboardControllerObserver(browser_context()));
   keyboard_controller_->AddObserver(observer_.get());
 }
 
-content::WebContents*
-    AshKeyboardControllerProxy::GetAssociatedWebContents() const {
-  return web_contents();
-}
-
-bool AshKeyboardControllerProxy::OnMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(AshKeyboardControllerProxy, message)
-    IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
 void AshKeyboardControllerProxy::RenderViewCreated(
     content::RenderViewHost* render_view_host) {
   content::HostZoomMap* zoom_map =
       content::HostZoomMap::GetDefaultForBrowserContext(browser_context());
   DCHECK(zoom_map);
   int render_process_id = render_view_host->GetProcess()->GetID();
   int render_view_id = render_view_host->GetRoutingID();
   zoom_map->SetTemporaryZoomLevel(render_process_id, render_view_id, 0);
 }
 
@@ skipping 24 matching lines @@
                            virtual_keyboard_private::ToString(
                                TextInputTypeToGeneratedInputTypeEnum(type)));
   event_args->Append(input_context.release());
 
   scoped_ptr<extensions::Event> event(new extensions::Event(
       virtual_keyboard_private::OnTextInputBoxFocused::kEventName,
       event_args.Pass()));
   event->restrict_to_browser_context = browser_context();
   router->DispatchEventToExtension(kVirtualKeyboardExtensionID, event.Pass());
 }