Plumbing from WebPresentationClient to the Presentation Mojo service for

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 0ac71eeed443e1e4c3b300b6601a2f76d394da0d..5ff80112a57b0fb78773210ee83679ea5f468849 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -81,6 +81,7 @@
 #include "content/renderer/mojo/service_registry_js_wrapper.h"
 #include "content/renderer/notification_permission_dispatcher.h"
 #include "content/renderer/npapi/plugin_channel_host.h"
+#include "content/renderer/presentation/presentation_dispatcher.h"
 #include "content/renderer/push_messaging_dispatcher.h"
 #include "content/renderer/render_frame_proxy.h"
 #include "content/renderer/render_process.h"
@@ -587,6 +588,7 @@ RenderFrameImpl::RenderFrameImpl(RenderViewImpl* render_view, int routing_id)
 #endif
       geolocation_dispatcher_(NULL),
       push_messaging_dispatcher_(NULL),
+      presentation_dispatcher_(NULL),
       screen_orientation_dispatcher_(NULL),
       manifest_manager_(NULL),
       accessibility_mode_(AccessibilityModeOff),
@@ -3244,6 +3246,12 @@ blink::WebGeolocationClient* RenderFrameImpl::geolocationClient() {
   return geolocation_dispatcher_;
 }
 
+blink::WebPresentationClient* RenderFrameImpl::presentationClient() {
+  if (!presentation_dispatcher_)
+    presentation_dispatcher_ = new PresentationDispatcher(this);
+  return presentation_dispatcher_;
+}
+
 blink::WebPushClient* RenderFrameImpl::pushClient() {
   if (!push_messaging_dispatcher_)
     push_messaging_dispatcher_ = new PushMessagingDispatcher(this);