Make browser_handles_top_level_requests synchronous.

content/browser/renderer_host/render_view_host_impl.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_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 435 matching lines @@
   void OnMsgDidStopLoading();
   void OnMsgDidChangeLoadProgress(double load_progress);
   void OnMsgDocumentAvailableInMainFrame();
   void OnMsgDocumentOnLoadCompletedInMainFrame(int32 page_id);
   void OnMsgContextMenu(const ContextMenuParams& params);
   void OnMsgToggleFullscreen(bool enter_fullscreen);
   void OnMsgOpenURL(const GURL& url,
                     const Referrer& referrer,
                     WindowOpenDisposition disposition,
                     int64 source_frame_id);
+  void OnMsgShouldIgnoreNavigation(const GURL& url,
+                                   const content::Referrer& referrer,
+                                   WindowOpenDisposition disposition,
+                                   int64 source_frame_id,
+                                   bool is_content_initiated,
+                                   bool* result);
   void OnMsgDidContentsPreferredSizeChange(const gfx::Size& new_size);
   void OnMsgDidChangeScrollbarsForMainFrame(bool has_horizontal_scrollbar,
                                             bool has_vertical_scrollbar);
   void OnMsgDidChangeScrollOffsetPinningForMainFrame(bool is_pinned_to_left,
                                                      bool is_pinned_to_right);
   void OnMsgDidChangeNumWheelEvents(int count);
   void OnMsgSelectionChanged(const string16& text,
                              size_t offset,
                              const ui::Range& range);
   void OnMsgSelectionBoundsChanged(const gfx::Rect& start_rect,
@@ skipping 157 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
 };
 
 #if defined(COMPILER_MSVC)
 #pragma warning(pop)
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_