Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/extensions/api/input_ime/input_ime_api.cc

 // 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.
 
 #include "chrome/browser/extensions/api/input_ime/input_ime_api.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/input_method/input_method_engine.h"
 #include "chrome/browser/extensions/extension_function_registry.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/input_ime.h"
 #include "chrome/common/extensions/api/input_ime/input_components_handler.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/browser/event_router.h"
+#include "extensions/browser/extension_system.h"
 
 namespace input_ime = extensions::api::input_ime;
 namespace KeyEventHandled = extensions::api::input_ime::KeyEventHandled;
 namespace DeleteSurroundingText =
     extensions::api::input_ime::DeleteSurroundingText;
 namespace UpdateMenuItems = extensions::api::input_ime::UpdateMenuItems;
 namespace SendKeyEvents = extensions::api::input_ime::SendKeyEvents;
 namespace HideInputView = extensions::api::input_ime::HideInputView;
 namespace SetMenuItems = extensions::api::input_ime::SetMenuItems;
 namespace SetCursorPosition = extensions::api::input_ime::SetCursorPosition;
@@ skipping 778 matching lines @@
     if (input_components->size() > 0)
       input_ime_event_router()->UnregisterAllImes(profile_, extension->id());
   }
 }
 
 InputImeEventRouter* InputImeAPI::input_ime_event_router() {
   return InputImeEventRouter::GetInstance();
 }
 
 }  // namespace extensions