Add text offset to OnSurroundingTextChanged

chrome/browser/chromeos/input_method/mock_input_method_engine.h

 // Copyright 2014 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_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_ENGINE_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_ENGINE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 62 matching lines @@
   void Enable(const std::string& component_id) override;
   void Disable() override;
   void PropertyActivate(const std::string& property_name) override;
   void Reset() override;
   bool IsInterestedInKeyEvent() const override;
   void ProcessKeyEvent(const ui::KeyEvent& key_event,
                        const KeyEventDoneCallback& callback) override;
   void CandidateClicked(uint32 index) override;
   void SetSurroundingText(const std::string& text,
                           uint32 cursor_pos,
-                          uint32 anchor_pos) override;
+                          uint32 anchor_pos,
+                          uint32 offset_pos) override;
   void SetCompositionBounds(const std::vector<gfx::Rect>& bounds) override;
   void HideInputView() override;
 
   std::string last_activated_property() const {
     return last_activated_property_;
   }
 
  private:
   std::string active_component_id_;
 
   // The current candidate window property.
   CandidateWindowProperty candidate_window_property_;
 
   std::string last_activated_property_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_ENGINE_H_