Implement PermissionService::GetNextPermissionChange.

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 7d24ae9b21dbc2737808c9b679995e566d23a335..f6b9057bee576028dbc6e204947a4df1743ff3a9 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -21,6 +21,7 @@
 #include "base/time/time.h"
 #include "cc/base/switches.h"
 #include "content/child/appcache/appcache_dispatcher.h"
+#include "content/child/permissions/permission_manager.h"
 #include "content/child/plugin_messages.h"
 #include "content/child/quota_dispatcher.h"
 #include "content/child/request_extra_data.h"
@@ -3657,6 +3658,13 @@ void RenderFrameImpl::suddenTerminationDisablerChanged(
   }
 }
 
+blink::WebPermissionClient* RenderFrameImpl::permissionClient() {
+  if (!permission_client_)
+    permission_client_.reset(new PermissionManager(*GetServiceRegistry()));
+
+  return permission_client_.get();
+}
+
 void RenderFrameImpl::DidPlay(blink::WebMediaPlayer* player) {
   Send(new FrameHostMsg_MediaPlayingNotification(
       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),