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 f24982617bb4e1aee439ff23e38f355157fc35a3..240fdfa6766d92822af0710f2c252ada44a1c398 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -82,6 +82,7 @@
 #include "content/renderer/notification_permission_dispatcher.h"
 #include "content/renderer/npapi/plugin_channel_host.h"
 #include "content/renderer/pepper/plugin_instance_throttler_impl.h"
+#include "content/renderer/presentation/presentation_dispatcher.h"
 #include "content/renderer/push_messaging/push_messaging_dispatcher.h"
 #include "content/renderer/render_frame_proxy.h"
 #include "content/renderer/render_process.h"
@@ -687,6 +688,7 @@ 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),
@@ -3357,6 +3359,12 @@ 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);