Remove KEYBOARD_EXPORT.

ui/keyboard/content/keyboard_content_util.h

 // Copyright 2015 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_KEYBOARD_CONTENT_KEYBOARD_COTNENT_UTIL_H_
 #define UI_KEYBOARD_CONTENT_KEYBOARD_COTNENT_UTIL_H_
 
 #include <stddef.h>
 
 #include "base/strings/string16.h"
 #include "ui/keyboard/keyboard_export.h"
 
 class GURL;
 
 struct GritResourceMap;
 
 namespace keyboard {
 
 // Sets the override content url.
 // This is used by for input view for extension IMEs.
-KEYBOARD_EXPORT void SetOverrideContentUrl(const GURL& url);
+ void SetOverrideContentUrl(const GURL& url);
 
 // Gets the override content url.
-KEYBOARD_EXPORT const GURL& GetOverrideContentUrl();
+ const GURL& GetOverrideContentUrl();
 
 // Get the list of keyboard resources. |size| is populated with the number of
 // resources in the returned array.
-KEYBOARD_EXPORT const GritResourceMap* GetKeyboardExtensionResources(
+ const GritResourceMap* GetKeyboardExtensionResources(
     size_t* size);
 
 }  // namespace keyboard
 
 #endif  // UI_KEYBOARD_CONTENT_KEYBOARD_COTNENT_UTIL_H_