Copy text selection from renderer to browser every time it changes.

chrome/browser/renderer_host/render_view_host.h

 // Copyright (c) 2009 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 CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 490 matching lines @@
                       const std::string& content);
   void OnMsgForwardMessageToExternalHost(const std::string& message,
                                          const std::string& origin,
                                          const std::string& target);
 #ifdef CHROME_PERSONALIZATION
   void OnPersonalizationEvent(const std::string& message,
                               const std::string& content);
 #endif
   void OnMsgGoToEntryAtOffset(int offset);
   void OnMsgSetTooltipText(const std::wstring& tooltip_text);
-  void OnMsgSelectionChanged();
-  void OnMsgSetSelectionText(const std::string& text);
+  void OnMsgSelectionChanged(const std::string& text);
   void OnMsgPasteFromSelectionClipboard();
   void OnMsgRunFileChooser(bool multiple_files,
                            const std::wstring& title,
                            const std::wstring& default_file,
                            const std::wstring& filter);
   void OnMsgRunJavaScriptMessage(const std::wstring& message,
                                  const std::wstring& default_prompt,
                                  const GURL& frame_url,
                                  const int flags,
                                  IPC::Message* reply_msg);
@@ skipping 125 matching lines @@
 
   bool are_javascript_messages_suppressed_;
 
   // Handles processing IPC messages request extension functions be executed.
   ExtensionFunctionDispatcher extension_function_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_