Avoid creating a RenderWidgetHostView for proxies.

content/browser/frame_host/render_frame_host_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 62 matching lines @@
 class TimeoutMonitor;
 struct ContextMenuParams;
 struct GlobalRequestID;
 struct Referrer;
 struct ResourceResponse;
 
 // Flag arguments for RenderFrameHost creation.
 enum CreateRenderFrameFlags {
   // The RFH will be initially placed on the swapped out hosts list.
   CREATE_RF_SWAPPED_OUT = 1 << 0,
-  // The new RenderFrame is being created for a navigation of the
-  // top-level frame.
-  CREATE_RF_FOR_MAIN_FRAME_NAVIGATION = 1 << 1,
   // The RenderFrame is initially hidden.
-  CREATE_RF_HIDDEN = 1 << 2,
+  CREATE_RF_HIDDEN = 1 << 1,
   // The RenderFrameHost will have a new RenderWidgetHost created and
   // attached to it. This is used when the RenderFrameHost is in a different
   // process from its parent frame.
-  CREATE_RF_NEEDS_RENDER_WIDGET_HOST = 1 << 3
+  CREATE_RF_NEEDS_RENDER_WIDGET_HOST = 1 << 2
 };
 
 class CONTENT_EXPORT RenderFrameHostImpl
     : public RenderFrameHost,
       public BrowserAccessibilityDelegate {
  public:
   using AXTreeSnapshotCallback =
       base::Callback<void(const ui::AXTreeUpdate<ui::AXNodeData>&)>;
 
   // Keeps track of the state of the RenderFrameHostImpl, particularly with
@@ skipping 678 matching lines @@
 
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_