Decouple RVH creation from CrossProcessFrameConnector.

content/browser/frame_host/render_frame_host_manager.cc

Index: content/browser/frame_host/render_frame_host_manager.cc
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc
index bf4312e12121da4a94101c8ee0e2846a435ef8ec..32a4ea3548c7e8f8cd4350a8b42a95347cb82df0 100644
--- a/content/browser/frame_host/render_frame_host_manager.cc
+++ b/content/browser/frame_host/render_frame_host_manager.cc
@@ -21,6 +21,7 @@
 #include "content/browser/frame_host/render_frame_host_factory.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/frame_host/render_frame_proxy_host.h"
+#include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ -33,6 +34,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_iterator.h"
+#include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_ui_controller.h"
 #include "content/public/common/content_switches.h"
@@ -178,7 +180,8 @@ RenderFrameHostImpl* RenderFrameHostManager::Navigate(
     // Note: we don't call InitRenderView here because we are navigating away
     // soon anyway, and we don't have the NavigationEntry for this host.
     delegate_->CreateRenderViewForRenderManager(
-        render_frame_host_->render_view_host(), MSG_ROUTING_NONE, NULL);
+        render_frame_host_->render_view_host(), MSG_ROUTING_NONE,
+        frame_tree_node_->IsMainFrame());
   }
 
   // If the renderer crashed, then try to create a new one to satisfy this
@@ -188,7 +191,7 @@ RenderFrameHostImpl* RenderFrameHostManager::Navigate(
     int opener_route_id = delegate_->CreateOpenerRenderViewsForRenderManager(
         dest_render_frame_host->GetSiteInstance());
     if (!InitRenderView(dest_render_frame_host->render_view_host(),
-                        opener_route_id))
+                        opener_route_id, frame_tree_node_->IsMainFrame()))
       return NULL;
 
     // Now that we've created a new renderer, be sure to hide it if it isn't
@@ -935,7 +938,8 @@ int RenderFrameHostManager::CreateRenderFrame(
           new_render_frame_host.Pass());
     }
 
-    bool success = InitRenderView(render_view_host, opener_route_id);
+    bool success = InitRenderView(
+        render_view_host, opener_route_id, frame_tree_node_->IsMainFrame());
     if (success && frame_tree_node_->IsMainFrame()) {
       // Don't show the main frame's view until we get a DidNavigate from it.
       render_view_host->GetView()->Hide();
@@ -953,7 +957,8 @@ int RenderFrameHostManager::CreateRenderFrame(
 }
 
 bool RenderFrameHostManager::InitRenderView(RenderViewHost* render_view_host,
-                                            int opener_route_id) {
+                                            int opener_route_id,
+                                            bool main_frame) {
   // We may have initialized this RenderViewHost for another RenderFrameHost.
   if (render_view_host->IsRenderViewLive())
     return true;
@@ -975,7 +980,7 @@ bool RenderFrameHostManager::InitRenderView(RenderViewHost* render_view_host,
   }
 
   return delegate_->CreateRenderViewForRenderManager(
-      render_view_host, opener_route_id, cross_process_frame_connector_);
+      render_view_host, opener_route_id, main_frame);
 }
 
 void RenderFrameHostManager::CommitPending() {
@@ -1132,6 +1137,16 @@ void RenderFrameHostManager::CommitPending() {
       old_render_frame_host.reset();
       ShutdownRenderFrameHostsInSiteInstance(old_site_instance_id);
     } else {
+      // If this is a subframe, it should have a CrossProcessFrameConnector
+      // created already and we just need to link it to the proper view in the
+      // new process.
+      if (!is_main_frame) {
+        RenderWidgetHostView* rwhv =
+            render_frame_host_->render_view_host()->GetView();
+        RenderWidgetHostViewChildFrame* rwhv_child =
+            static_cast<RenderWidgetHostViewChildFrame*>(rwhv);
+        cross_process_frame_connector_->set_view(rwhv_child);
+      }
       proxy_hosts_[old_site_instance_id] = new RenderFrameProxyHost(
           old_render_frame_host.Pass());
     }