Pull AsyncApiFunction out of src/chrome

chrome/browser/extensions/api/braille_display_private/braille_display_private_api.h

 // Copyright 2013 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_BRAILLE_DISPLAY_PRIVATE_BRAILLE_DISPLAY_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRAILLE_DISPLAY_PRIVATE_API_H_
 
 #include "base/scoped_observer.h"
-#include "chrome/browser/extensions/api/api_function.h"
 #include "chrome/browser/extensions/api/braille_display_private/braille_controller.h"
 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "chrome/common/extensions/api/braille_display_private.h"
+#include "extensions/browser/api/async_api_function.h"
 #include "extensions/browser/event_router.h"
 
+class Profile;
+
 namespace extensions {
 namespace api {
 namespace braille_display_private {
 class BrailleDisplayPrivateAPIUserTest;
 }  // namespace braille_display_private
 }  // namespace api
 
 // Implementation of the chrome.brailleDisplayPrivate API.
 class BrailleDisplayPrivateAPI
     : public ProfileKeyedAPI,
@@ skipping 77 matching lines @@
   virtual bool Respond() OVERRIDE;
 
  private:
   scoped_ptr<braille_display_private::WriteDots::Params> params_;
 };
 
 }  // namespace api
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRAILLE_DISPLAY_PRIVATE_API_H_