Adding RenderWidgetHostViewChildFrame for OOPIF view.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index e41fc0165a45dbcb8c55144445c9f27118eb04cc..e1b03e4a6cfeb46255332d648686d64b5ae467d2 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -6,6 +6,7 @@
 
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
+#include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ -41,6 +42,7 @@ RenderFrameHostImpl::RenderFrameHostImpl(
     bool is_swapped_out)
     : render_view_host_(render_view_host),
       delegate_(delegate),
+      cross_process_frame_connector_(0),
       frame_tree_(frame_tree),
       routing_id_(routing_id),
       is_swapped_out_(is_swapped_out) {
@@ -61,6 +63,11 @@ int RenderFrameHostImpl::GetRoutingID() {
   return routing_id_;
 }
 
+void RenderFrameHostImpl::SetCrossProcessFrameConnector(
+    CrossProcessFrameConnector* cross_process_frame_connector) {
+    cross_process_frame_connector_ = cross_process_frame_connector;
+}
+
 bool RenderFrameHostImpl::Send(IPC::Message* message) {
   return GetProcess()->Send(message);
 }