Index: web_contents_impl.cc
===================================================================
--- web_contents_impl.cc	(revision 275973)
+++ web_contents_impl.cc	(working copy)
@@ -1059,22 +1059,29 @@
       params.browser_context, params.site_instance, params.routing_id,
       params.main_frame_routing_id);
 
-  WebContentsViewDelegate* delegate =
-      GetContentClient()->browser()->GetWebContentsViewDelegate(this);
+  if (params.view && params.delegate_view) {
+    view_.reset(params.view);
+    render_view_host_delegate_view_ = params.delegate_view;
+  }
 
-  if (browser_plugin_guest_) {
-    scoped_ptr<WebContentsView> platform_view(CreateWebContentsView(
-        this, delegate, &render_view_host_delegate_view_));
+  if (!view_) {
+    WebContentsViewDelegate* delegate =
+        GetContentClient()->browser()->GetWebContentsViewDelegate(this);
 
-    WebContentsViewGuest* rv = new WebContentsViewGuest(
-        this, browser_plugin_guest_.get(), platform_view.Pass(),
-        render_view_host_delegate_view_);
-    render_view_host_delegate_view_ = rv;
-    view_.reset(rv);
-  } else {
-    // Regular WebContentsView.
-    view_.reset(CreateWebContentsView(
-        this, delegate, &render_view_host_delegate_view_));
+    if (browser_plugin_guest_) {
+      scoped_ptr<WebContentsView> platform_view(CreateWebContentsView(
+          this, delegate, &render_view_host_delegate_view_));
+
+      WebContentsViewGuest* rv = new WebContentsViewGuest(
+          this, browser_plugin_guest_.get(), platform_view.Pass(),
+          render_view_host_delegate_view_);
+      render_view_host_delegate_view_ = rv;
+      view_.reset(rv);
+    } else {
+      // Regular WebContentsView.
+      view_.reset(CreateWebContentsView(
+          this, delegate, &render_view_host_delegate_view_));
+    }
   }
   CHECK(render_view_host_delegate_view_);
   CHECK(view_.get());
@@ -1381,6 +1388,9 @@
       static_cast<SessionStorageNamespaceImpl*>(session_storage_namespace);
   CHECK(session_storage_namespace_impl->IsFromContext(dom_storage_context));
 
+  content::WebContentsView* view = NULL;
+  content::RenderViewHostDelegateView* delegate_view = NULL;
+
   if (delegate_ &&
       !delegate_->ShouldCreateWebContents(this,
                                           route_id,
@@ -1388,7 +1398,9 @@
                                           params.frame_name,
                                           params.target_url,
                                           partition_id,
-                                          session_storage_namespace)) {
+                                          session_storage_namespace,
+                                          &view,
+                                          &delegate_view)) {
     if (route_id != MSG_ROUTING_NONE &&
         !RenderViewHost::FromID(render_process_id, route_id)) {
       // If the embedder didn't create a WebContents for this route, we need to
@@ -1408,6 +1420,8 @@
   create_params.main_frame_routing_id = main_frame_route_id;
   create_params.opener = this;
   create_params.opener_suppressed = params.opener_suppressed;
+  create_params.view = view;
+  create_params.delegate_view = delegate_view;
   if (params.disposition == NEW_BACKGROUND_TAB)
     create_params.initially_hidden = true;