Fix ThumbnailGenerator on Windows.

app/win_util.h

 // Copyright (c) 2006-2009 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 APP_WIN_UTIL_H_
 #define APP_WIN_UTIL_H_
 #pragma once
 
 #include <objbase.h>
 
@@ skipping 130 matching lines @@
                          bool pref_is_client);
 
 // Returns true if edge |edge| (one of ABE_LEFT, TOP, RIGHT, or BOTTOM) of
 // monitor |monitor| has an auto-hiding taskbar that's always-on-top.
 bool EdgeHasTopmostAutoHideTaskbar(UINT edge, HMONITOR monitor);
 
 // Duplicates a section handle from another process to the current process.
 // Returns the new valid handle if the function succeed. NULL otherwise.
 HANDLE GetSectionFromProcess(HANDLE section, HANDLE process, bool read_only);
 
+// Duplicates a section handle from the current process for use in another
+// process. Returns the new valid handle or NULL on failure.
+HANDLE GetSectionForProcess(HANDLE section, HANDLE process, bool read_only);
+
 // Returns true if the specified window is the current active top window or one
 // of its children.
 bool DoesWindowBelongToActiveWindow(HWND window);
 
 // Adjusts the value of |child_rect| if necessary to ensure that it is
 // completely visible within |parent_rect|.
 void EnsureRectIsVisibleInRect(const gfx::Rect& parent_rect,
                                gfx::Rect* child_rect,
                                int padding);
 
@@ skipping 50 matching lines @@
 extern const int kAutoHideTaskbarThicknessPx;
 
 // 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 std::wstring& app_id, HWND hwnd);
 
 }  // namespace win_util
 
 #endif  // APP_WIN_UTIL_H_