Refactor postMessage for out-of-process iframes.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index d210c9c842dc84c0e2071e5417fcddbeafeacdb7..629eeb38b139c3dfde0716fa7aff7402ecb4b47e 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -858,7 +858,6 @@ bool RenderViewHostImpl::OnMessageReceived(const IPC::Message& msg) {
                         OnDidContentsPreferredSizeChange)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RouteCloseEvent,
                         OnRouteCloseEvent)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_RouteMessageEvent, OnRouteMessageEvent)
     IPC_MESSAGE_HANDLER(DragHostMsg_StartDragging, OnStartDragging)
     IPC_MESSAGE_HANDLER(DragHostMsg_UpdateDragCursor, OnUpdateDragCursor)
     IPC_MESSAGE_HANDLER(DragHostMsg_TargetDrop_ACK, OnTargetDropACK)
@@ -1052,12 +1051,6 @@ void RenderViewHostImpl::OnRouteCloseEvent() {
   delegate_->RouteCloseEvent(this);
 }
 
-void RenderViewHostImpl::OnRouteMessageEvent(
-    const ViewMsg_PostMessage_Params& params) {
-  // Give to the delegate to route to the active RenderViewHost.
-  delegate_->RouteMessageEvent(this, params);
-}
-
 void RenderViewHostImpl::OnStartDragging(
     const DropData& drop_data,
     WebDragOperationsMask drag_operations_mask,