Add blink::ServiceRegistry and expose it from LocalFrame and Platform.

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 1002 matching lines @@
       cdm_manager_(NULL),
 #endif
 #if defined(VIDEO_HOLE)
       contains_media_player_(false),
 #endif
       devtools_agent_(nullptr),
       wakelock_dispatcher_(nullptr),
       geolocation_dispatcher_(NULL),
       push_messaging_dispatcher_(NULL),
       presentation_dispatcher_(NULL),
+      blink_service_registry_(service_registry_.GetWeakPtr()),
       screen_orientation_dispatcher_(NULL),
       manifest_manager_(NULL),
       accessibility_mode_(AccessibilityModeOff),
       renderer_accessibility_(NULL),
       media_player_delegate_(NULL),
       is_using_lofi_(false),
       is_pasting_(false),
       blame_context_(nullptr),
       weak_factory_(this) {
   std::pair<RoutingIDFrameMap::iterator, bool> result =
@@ skipping 4970 matching lines @@
     const blink::WebString& sink_id,
     const blink::WebSecurityOrigin& security_origin,
     blink::WebSetSinkIdCallbacks* web_callbacks) {
   media::OutputDeviceStatusCB callback =
       media::ConvertToOutputDeviceStatusCB(web_callbacks);
   callback.Run(AudioDeviceFactory::GetOutputDeviceInfo(
                    routing_id_, 0, sink_id.utf8(), security_origin)
                    .device_status());
 }
 
+blink::ServiceRegistry* RenderFrameImpl::serviceRegistry() {
+  return &blink_service_registry_;
+}
+
 blink::WebPlugin* RenderFrameImpl::GetWebPluginForFind() {
   if (!is_main_frame_)
     return nullptr;
 
   if (frame_->document().isPluginDocument())
     return frame_->document().to<WebPluginDocument>().plugin();
 
 #if defined(ENABLE_PLUGINS)
   if (plugin_find_handler_)
     return plugin_find_handler_->container()->plugin();
 #endif
 
   return nullptr;
 }
 
 void RenderFrameImpl::SendFindReply(int request_id,
                                     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