Merge //content/child/permissions into Blink's permissions module.

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 c5c1ab9d5399cebc5dc9cc03af493b84944e3fab..c3bb2f61ab2e27b51fb8caf1fee691e044fc0efa 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -35,7 +35,6 @@
 #include "cc/base/switches.h"
 #include "components/scheduler/renderer/renderer_scheduler.h"
 #include "content/child/appcache/appcache_dispatcher.h"
-#include "content/child/permissions/permission_dispatcher.h"
 #include "content/child/quota_dispatcher.h"
 #include "content/child/request_extra_data.h"
 #include "content/child/service_worker/service_worker_handle_reference.h"
@@ -4449,14 +4448,6 @@ bool RenderFrameImpl::exitFullscreen() {
   return true;
 }
 
-blink::WebPermissionClient* RenderFrameImpl::permissionClient() {
-  if (!permission_client_) {
-    permission_client_.reset(
-        new PermissionDispatcher(GetRemoteInterfaces()));
-  }
-  return permission_client_.get();
-}
-
 blink::WebAppBannerClient* RenderFrameImpl::appBannerClient() {
   if (!app_banner_client_) {
     app_banner_client_ =