Add chrome.input.ime.activate and chrome.input.ime.deactivate API

ui/base/ime/ime_engine_handler_interface.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 UI_BASE_IME_IME_ENGINE_HANDLER_INTERFACE_H_
 #define UI_BASE_IME_IME_ENGINE_HANDLER_INTERFACE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 252 matching lines @@
   // Set the list of items that appears in the language menu when this IME is
   // active.
   virtual bool SetMenuItems(const std::vector<MenuItem>& items) = 0;
 
   // Update the state of the menu items.
   virtual bool UpdateMenuItems(const std::vector<MenuItem>& items) = 0;
 
   // Hides the input view window (from API call).
   virtual void HideInputView() = 0;
 
+#elif defined(OS_LINUX) || defined(OS_WIN)
+
+  // Get the id of the activated extension
+  virtual std::string GetExtensionId() const = 0;
 #endif  // defined(OS_CHROMEOS)
 
  protected:
   IMEEngineHandlerInterface() {}
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_IME_ENGINE_HANDLER_INTERFACE_H_