Plumbing for browser process to access text surrounding selection.

content/renderer/render_frame_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_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 441 matching lines @@
   void OnCSSInsertRequest(const std::string& css);
   void OnJavaScriptExecuteRequest(const base::string16& javascript,
                                   int id,
                                   bool notify_result);
   void OnSetEditableSelectionOffsets(int start, int end);
   void OnSetCompositionFromExistingText(
       int start, int end,
       const std::vector<blink::WebCompositionUnderline>& underlines);
   void OnExtendSelectionAndDelete(int before, int after);
   void OnReload(bool ignore_cache);
+  void OnTextSurroundingSelectionRequest(size_t max_length);
 #if defined(OS_MACOSX)
   void OnCopyToFindPboard();
 #endif
 
   // Virtual since overridden by WebTestProxy for layout tests.
   virtual blink::WebNavigationPolicy DecidePolicyForNavigation(
       RenderFrame* render_frame,
       blink::WebFrame* frame,
       blink::WebDataSource::ExtraData* extraData,
       const blink::WebURLRequest& request,
@@ skipping 157 matching lines @@
   GeolocationDispatcher* geolocation_dispatcher_;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_