Support exposing Mojo services between render frames, render threads, and their respective hosts.

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 "base/auto_reset.h"
@@ skipping 387 matching lines @@
       web_user_media_client_(NULL),
 #if defined(OS_ANDROID)
       media_player_manager_(NULL),
 #endif
 #if defined(ENABLE_BROWSER_CDMS)
       cdm_manager_(NULL),
 #endif
       geolocation_dispatcher_(NULL),
       screen_orientation_dispatcher_(NULL),
       weak_factory_(this) {
-  RenderThread::Get()->AddRoute(routing_id_, this);
-
   std::pair<RoutingIDFrameMap::iterator, bool> result =
       g_routing_id_frame_map.Get().insert(std::make_pair(routing_id_, this));
   CHECK(result.second) << "Inserting a duplicate item.";
 
+  RenderThread::Get()->AddRoute(routing_id_, this);
+
   render_view_->RegisterRenderFrame(this);
 
 #if defined(OS_ANDROID)
   new JavaBridgeDispatcher(this);
 #endif
 
 #if defined(ENABLE_NOTIFICATIONS)
   notification_provider_ = new NotificationProvider(this);
 #endif
 }
@@ skipping 470 matching lines @@
           (navigation_start - base::TimeTicks()).InSecondsF();
       frame->provisionalDataSource()->setNavigationStartTime(
           navigation_start_seconds);
     }
   }
 
   // In case LoadRequest failed before DidCreateDataSource was called.
   render_view_->pending_navigation_params_.reset();
 }
 
+void RenderFrameImpl::BindServiceRegistry(
+    mojo::ScopedMessagePipeHandle service_provider_handle) {
+  service_registry_.BindRemoteServiceProvider(service_provider_handle.Pass());
+}
+
 void RenderFrameImpl::OnBeforeUnload() {
   // TODO(creis): Right now, this is only called on the main frame.  Make the
   // browser process send dispatchBeforeUnloadEvent to every frame that needs
   // it.
   CHECK(!frame_->parent());
 
   base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
   bool proceed = frame_->dispatchBeforeUnloadEvent();
   base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
   Send(new FrameHostMsg_BeforeUnload_ACK(routing_id_, proceed,
@@ skipping 410 matching lines @@
                                         const blink::WebURLRequest& request,
                                         blink::WebNavigationPolicy policy) {
   DCHECK(!frame_ || frame_ == frame);
   loadURLExternally(frame, request, policy, WebString());
 }
 
 void RenderFrameImpl::ExecuteJavaScript(const base::string16& javascript) {
   OnJavaScriptExecuteRequest(javascript, 0, false);
 }
 
+ServiceRegistry* RenderFrameImpl::GetServiceRegistry() {
+  return &service_registry_;
+}
+
 void RenderFrameImpl::OnChildFrameProcessGone() {
   if (compositing_helper_)
     compositing_helper_->ChildFrameGone();
 }
 
 // blink::WebFrameClient implementation ----------------------------------------
 
 blink::WebPlugin* RenderFrameImpl::createPlugin(
     blink::WebLocalFrame* frame,
     const blink::WebPluginParams& params) {
@@ skipping 2223 matching lines @@
 
 #if defined(ENABLE_BROWSER_CDMS)
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 #endif  // defined(ENABLE_BROWSER_CDMS)
 
 }  // namespace content