mac: Add support for asynchronous dictionary lookup

content/renderer/text_input_client_observer.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_TEXT_INPUT_CLIENT_OBSERVER_H_
 #define CONTENT_RENDERER_TEXT_INPUT_CLIENT_OBSERVER_H_
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
 #include "content/public/renderer/render_view_observer.h"
@@ skipping 17 matching lines @@
   virtual ~TextInputClientObserver();
 
   // RenderViewObserver overrides:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
  private:
   // Returns the WebView of the RenderView.
   blink::WebView* webview();
 
   // IPC Message handlers:
+  void OnStringAtPoint(gfx::Point point);
   void OnCharacterIndexForPoint(gfx::Point point);
   void OnFirstRectForCharacterRange(gfx::Range range);
   void OnStringForRange(gfx::Range range);
 
   RenderViewImpl* const render_view_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(TextInputClientObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_TEXT_INPUT_CLIENT_OBSERVER_H_