Makes the InputMethodEngine can be switched per profile when the top-level browser window is switch…

chrome/browser/extensions/api/input_ime/input_ime_api.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 CHROME_BROWSER_EXTENSIONS_API_INPUT_IME_INPUT_IME_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_INPUT_IME_INPUT_IME_API_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 47 matching lines @@
   void OnReset(const std::string& component_id) override;
   void OnDeactivated(const std::string& component_id) override;
   void OnCompositionBoundsChanged(
       const std::vector<gfx::Rect>& bounds) override;
   bool IsInterestedInKeyEvent() const override;
   void OnSurroundingTextChanged(const std::string& component_id,
                                 const std::string& text,
                                 int cursor_pos,
                                 int anchor_pos,
                                 int offset_pos) override;
+  void OnRequestEngineSwitch() override {};
 
  protected:
   // Helper function used to forward the given event to the |profile_|'s event
   // router, which dipatches the event the extension with |extension_id_|.
   virtual void DispatchEventToExtension(
       extensions::events::HistogramValue histogram_value,
       const std::string& event_name,
       std::unique_ptr<base::ListValue> args) = 0;
 
   // Returns the type of the current screen.
@@ skipping 133 matching lines @@
       extension_registry_observer_;
 
   content::NotificationRegistrar registrar_;
 };
 
 InputImeEventRouter* GetInputImeEventRouter(Profile* profile);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_INPUT_IME_INPUT_IME_API_H_