Fix ThumbnailGenerator on Windows.

app/win_util.cc

 // 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.
 
 #include "app/win_util.h"
 
 #include <commdlg.h>
 #include <dwmapi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 251 matching lines @@
 HANDLE GetSectionFromProcess(HANDLE section, HANDLE process, bool read_only) {
   HANDLE valid_section = NULL;
   DWORD access = STANDARD_RIGHTS_REQUIRED | FILE_MAP_READ;
   if (!read_only)
     access |= FILE_MAP_WRITE;
   DuplicateHandle(process, section, GetCurrentProcess(), &valid_section, access,
                   FALSE, 0);
   return valid_section;
 }
 
+HANDLE GetSectionForProcess(HANDLE section, HANDLE process, bool read_only) {
+  HANDLE valid_section = NULL;
+  DWORD access = STANDARD_RIGHTS_REQUIRED | FILE_MAP_READ;
+  if (!read_only)
+    access |= FILE_MAP_WRITE;
+  DuplicateHandle(GetCurrentProcess(), section, process, &valid_section, access,
+                  FALSE, 0);
+  return valid_section;
+}
+
 bool DoesWindowBelongToActiveWindow(HWND window) {
   DCHECK(window);
   HWND top_window = ::GetAncestor(window, GA_ROOT);
   if (!top_window)
     return false;
 
   HWND active_top_window = ::GetAncestor(::GetForegroundWindow(), GA_ROOT);
   return (top_window == active_top_window);
 }
 
@@ skipping 294 matching lines @@
       hwnd, __uuidof(*pps), reinterpret_cast<void**>(pps.Receive()));
   if (S_OK == result) {
     SetAppIdForPropertyStore(pps, app_id.c_str());
   }
 
   // Cleanup.
   base::UnloadNativeLibrary(shell32_library);
 }
 
 }  // namespace win_util