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

ui/base/win/shell.h

 // Copyright (c) 2011 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_WIN_SHELL_H_
 #define UI_BASE_WIN_SHELL_H_
 #pragma once
 
 #include <windows.h>
 
 #include "base/string16.h"
+#include "ui/ui_api.h"
 
 class FilePath;
 
 namespace ui {
 namespace win {
 
 // Open or run a file via the Windows shell. In the event that there is no
 // default application registered for the file specified by 'full_path',
 // ask the user, via the Windows "Open With" dialog.
 // Returns 'true' on successful open, 'false' otherwise.
-bool OpenItemViaShell(const FilePath& full_path);
+UI_API bool OpenItemViaShell(const FilePath& full_path);
 
 // The download manager now writes the alternate data stream with the
 // zone on all downloads. This function is equivalent to OpenItemViaShell
 // without showing the zone warning dialog.
-bool OpenItemViaShellNoZoneCheck(const FilePath& full_path);
+UI_API bool OpenItemViaShellNoZoneCheck(const FilePath& full_path);
 
 // Ask the user, via the Windows "Open With" dialog, for an application to use
 // to open the file specified by 'full_path'.
 // Returns 'true' on successful open, 'false' otherwise.
 bool OpenItemWithExternalApp(const string16& full_path);
 
 // Sets the application id given as the Application Model ID for the window
 // specified.  This method is used to insure that different web applications
 // do not group together on the Win7 task bar.
-void SetAppIdForWindow(const string16& app_id, HWND hwnd);
+UI_API void SetAppIdForWindow(const string16& app_id, HWND hwnd);
 
 }  // namespace win
 }  // namespace ui
 
 #endif  // UI_BASE_WIN_SHELL_H_