Introduce ui.dll / libui.so for the component build.

ui/gfx/icon_util.h

 // Copyright (c) 2010 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_GFX_ICON_UTIL_H_
 #define UI_GFX_ICON_UTIL_H_
 #pragma once
 
 #include <windows.h>
 #include <string>
 #include <vector>
+
 #include "base/basictypes.h"
+#include "ui/ui_api.h"
 
 namespace gfx {
 class Size;
 }
 class FilePath;
 class SkBitmap;
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 // The IconUtil class contains helper functions for manipulating Windows icons.
@@ skipping 18 matching lines @@
 //   }
 //
 //   // Use the icon with a WM_SETICON message
 //   ::SendMessage(hwnd, WM_SETICON, static_cast<WPARAM>(ICON_BIG),
 //                 reinterpret_cast<LPARAM>(icon));
 //
 //   // Destroy the icon when we are done
 //   ::DestroyIcon(icon);
 //
 ///////////////////////////////////////////////////////////////////////////////
-class IconUtil {
+class UI_API IconUtil {
  public:
   // Given an SkBitmap object, the function converts the bitmap to a Windows
   // icon and returns the corresponding HICON handle. If the function cannot
   // convert the bitmap, NULL is returned.
   //
   // The client is responsible for destroying the icon when it is no longer
   // needed by calling ::DestroyIcon().
   static HICON CreateHICONFromSkBitmap(const SkBitmap& bitmap);
 
   // Given a valid HICON handle representing an icon, this function converts
@@ skipping 123 matching lines @@
   static void ComputeBitmapSizeComponents(const SkBitmap& bitmap,
                                           size_t* xor_mask_size,
                                           size_t* bytes_in_resource);
 
   // Prevent clients from instantiating objects of that class by declaring the
   // ctor/dtor as private.
   DISALLOW_IMPLICIT_CONSTRUCTORS(IconUtil);
 };
 
 #endif  // UI_GFX_ICON_UTIL_H_