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 12 matching lines @@
 #include "content/child/quota_dispatcher.h"
 #include "content/child/request_extra_data.h"
 #include "content/child/service_worker/service_worker_network_provider.h"
 #include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/child/web_socket_stream_handle_impl.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/child/websocket_bridge.h"
 #include "content/common/clipboard_messages.h"
 #include "content/common/frame_messages.h"
 #include "content/common/input_messages.h"
+#include "content/common/render_frame_setup.mojom.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/common/socket_stream_handle_data.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/url_utils.h"
@@ skipping 385 matching lines @@
 
   render_view_->RegisterRenderFrame(this);
 
 #if defined(OS_ANDROID)
   new JavaBridgeDispatcher(this);
 #endif
 
 #if defined(ENABLE_NOTIFICATIONS)
   notification_provider_ = new NotificationProvider(this);
 #endif
+
+  InitializeServiceRegistry();
 }
 
 RenderFrameImpl::~RenderFrameImpl() {
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
 
 #if defined(VIDEO_HOLE)
   if (media_player_manager_)
     render_view_->UnregisterVideoHoleFrame(this);
 #endif  // defined(VIDEO_HOLE)
@@ skipping 889 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 2214 matching lines @@
 }
 
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 
 #endif  // defined(OS_ANDROID)
 
+void RenderFrameImpl::InitializeServiceRegistry() {
+  if (!RenderThread::Get()->GetServiceRegistry())
+    return;
+
+  RenderFrameSetupPtr setup;
+  RenderThread::Get()->GetServiceRegistry()->GetInterface(&setup);
+  mojo::IInterfaceProviderPtr interface_provider;
+  setup->ConnectToInterfaceProvider(routing_id_,
+                                    mojo::Get(&interface_provider));
+  service_registry_.Bind(interface_provider.PassMessagePipe());
+}
+
 }  // namespace content