Add ui::GrabDesktopSnapshot for Windows.

chrome/test/base/ui_test_utils.cc

 // Copyright (c) 2012 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 "chrome/test/base/ui_test_utils.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
@@ skipping 613 matching lines @@
 
   MONITORINFO monitor_info = {};
   monitor_info.cbSize = sizeof(monitor_info);
   HMONITOR main_monitor = MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY);
   if (GetMonitorInfo(main_monitor, &monitor_info)) {
     RECT& rect = monitor_info.rcMonitor;
 
     std::vector<unsigned char> png_data;
     gfx::Rect bounds(
         gfx::Size(rect.right - rect.left, rect.bottom - rect.top));
-    if (ui::GrabWindowSnapshot(NULL, &png_data, bounds) &&
+    if (ui::GrabDesktopSnapshot(&png_data, bounds) &&
         png_data.size() <= INT_MAX) {
       int bytes = static_cast<int>(png_data.size());
       int written = file_util::WriteFile(
           out_path, reinterpret_cast<char*>(&png_data[0]), bytes);
       succeeded = (written == bytes);
     }
   }
 
   if (succeeded && screenshot_path != NULL)
     *screenshot_path = out_path;
@@ skipping 43 matching lines @@
 void HistoryEnumerator::HistoryQueryComplete(
     const base::Closure& quit_task,
     HistoryService::Handle request_handle,
     history::QueryResults* results) {
   for (size_t i = 0; i < results->size(); ++i)
     urls_.push_back((*results)[i].url());
   quit_task.Run();
 }
 
 }  // namespace ui_test_utils