Pass the size to the RenderView on creation.

content/renderer/render_view_impl_params.h

 // Copyright (c) 2012 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_RENDERER_RENDER_VIEW_IMPL_PARAMS_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_PARAMS_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
-#include "content/common/view_message_enums.h"
+
+struct ViewMsg_Resize_Params;
 
 namespace blink {
 struct WebScreenInfo;
 }
 
 namespace content {
 
 struct RendererPreferences;
 struct WebPreferences;
 
 // Container for all parameters passed to RenderViewImpl's constructor.
 struct CONTENT_EXPORT RenderViewImplParams {
   RenderViewImplParams(int32 opener_id,
                        bool window_was_created_with_opener,
                        const RendererPreferences& renderer_prefs,
                        const WebPreferences& webkit_prefs,
                        int32 routing_id,
                        int32 main_frame_routing_id,
                        int32 surface_id,
                        int64 session_storage_namespace_id,
                        const base::string16& frame_name,
                        bool is_renderer_created,
                        bool swapped_out,
                        int32 proxy_routing_id,
                        bool hidden,
                        bool never_visible,
                        int32 next_page_id,
-                       const blink::WebScreenInfo& screen_info);
+                       const blink::WebScreenInfo& screen_info,
+                       const ViewMsg_Resize_Params* initial_size);
   ~RenderViewImplParams();
 
   int32 opener_id;
   bool window_was_created_with_opener;
   const RendererPreferences& renderer_prefs;
   const WebPreferences& webkit_prefs;
   int32 routing_id;
   int32 main_frame_routing_id;
   int32 surface_id;
   int64 session_storage_namespace_id;
   const base::string16& frame_name;
   bool is_renderer_created;
   bool swapped_out;
   int32 proxy_routing_id;
   bool hidden;
   bool never_visible;
   int32 next_page_id;
   const blink::WebScreenInfo& screen_info;
+  const ViewMsg_Resize_Params* initial_size;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_PARAMS_H_