media: Generalize MediaPermissionDispatcher.

content/renderer/render_frame_impl.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 "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 956 matching lines @@
 #if defined(ENABLE_PLUGINS)
       plugin_power_saver_helper_(nullptr),
       plugin_find_handler_(nullptr),
 #endif
       cookie_jar_(this),
       selection_text_offset_(0),
       selection_range_(gfx::Range::InvalidRange()),
       handling_select_range_(false),
       notification_permission_dispatcher_(NULL),
       web_user_media_client_(NULL),
-      media_permission_dispatcher_(NULL),
       midi_dispatcher_(NULL),
 #if defined(OS_ANDROID)
       media_player_manager_(NULL),
       media_session_manager_(NULL),
 #endif
 #if defined(ENABLE_BROWSER_CDMS)
       cdm_manager_(NULL),
 #endif
 #if defined(VIDEO_HOLE)
       contains_media_player_(false),
@@ skipping 4975 matching lines @@
 
 RendererMediaSessionManager* RenderFrameImpl::GetMediaSessionManager() {
   if (!media_session_manager_)
     media_session_manager_ = new RendererMediaSessionManager(this);
   return media_session_manager_;
 }
 
 #endif  // defined(OS_ANDROID)
 
 media::MediaPermission* RenderFrameImpl::GetMediaPermission() {
-  if (!media_permission_dispatcher_)
-    media_permission_dispatcher_ = new MediaPermissionDispatcher(this);
-  return media_permission_dispatcher_;
+  if (!media_permission_dispatcher_) {
+    media_permission_dispatcher_.reset(new MediaPermissionDispatcher(
+        base::Bind(&RenderFrameImpl::ConnectToService<PermissionService>,
+                   base::Unretained(this))));
+  }
+  return media_permission_dispatcher_.get();
 }
 
 #if defined(ENABLE_MOJO_MEDIA)
 media::interfaces::ServiceFactory* RenderFrameImpl::GetMediaServiceFactory() {
   if (!media_service_factory_) {
     mojo::ServiceProviderPtr service_provider =
         ConnectToApplication(GURL("mojo:media"));
     mojo::ConnectToService(service_provider.get(), &media_service_factory_);
     media_service_factory_.set_connection_error_handler(
         base::Bind(&RenderFrameImpl::OnMediaServiceFactoryConnectionError,
@@ skipping 49 matching lines @@
 
 void RenderFrameImpl::RegisterMojoServices() {
   // Only main frame have ImageDownloader service.
   if (!frame_->parent()) {
     GetServiceRegistry()->AddService<image_downloader::ImageDownloader>(
         base::Bind(&ImageDownloaderImpl::CreateMojoService,
                    base::Unretained(this)));
   }
 }
 
+template <typename Interface>
+void RenderFrameImpl::ConnectToService(
+    mojo::InterfaceRequest<Interface> request) {
+  GetServiceRegistry()->ConnectToRemoteService(std::move(request));
+}
+
 mojo::ServiceProviderPtr RenderFrameImpl::ConnectToApplication(
     const GURL& url) {
   if (!mojo_shell_)
     GetServiceRegistry()->ConnectToRemoteService(mojo::GetProxy(&mojo_shell_));
   mojo::ServiceProviderPtr service_provider;
   mojo::URLRequestPtr request(mojo::URLRequest::New());
   request->url = mojo::String::From(url);
   mojo::CapabilityFilterPtr filter(mojo::CapabilityFilter::New());
   mojo::Array<mojo::String> all_interfaces;
   all_interfaces.push_back("*");
@@ skipping 44 matching lines @@
                                     int match_count,
                                     int ordinal,
                                     const WebRect& selection_rect,
                                     bool final_status_update) {
   Send(new FrameHostMsg_Find_Reply(routing_id_, request_id, match_count,
                                    selection_rect, ordinal,
                                    final_status_update));
 }
 
 }  // namespace content