Add always on top windows to the alt+tab list

chrome/browser/ui/views/ash/window_positioner.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/browser/ui/views/ash/window_positioner.h"
 
 #include "ash/shell.h"
 #include "ash/wm/window_cycle_controller.h"
 #include "ash/wm/window_resizer.h"
 #include "ash/wm/window_util.h"
@@ skipping 83 matching lines @@
     last_popup_position_y_ += pop_position_offset_increment_y;
   }
   return gfx::Rect(x + work_area.x(), y + work_area.y(), w, h);
 }
 
 gfx::Rect WindowPositioner::SmartPopupPosition(
     const gfx::Rect& old_pos,
     const gfx::Rect& work_area,
     int grid) {
   const std::vector<aura::Window*> windows =
-      ash::WindowCycleController::BuildWindowList();
+      ash::WindowCycleController::BuildWindowList(NULL);
 
   std::vector<const gfx::Rect*> regions;
   // Process the window list and check if we can bail immediately.
   for (size_t i = 0; i < windows.size(); i++) {
     // We only include opaque and visible windows.
     if (windows[i] && windows[i]->IsVisible() && windows[i]->layer() &&
         (!windows[i]->transparent() ||
          windows[i]->layer()->GetTargetOpacity() == 1.0)) {
       // When any window is maximized we cannot find any free space.
       if (ash::wm::IsWindowMaximized(windows[i]) ||
@@ skipping 66 matching lines @@
   int h = pos.height();
 
   // If the alignment was pushing the window out of the screen, we ignore the
   // alignment for that call.
   if (abs(pos.right() - work_area.right()) < grid)
     x = work_area.right() - w;
   if (abs(pos.bottom() - work_area.bottom()) < grid)
     y = work_area.bottom() - h;
   return gfx::Rect(x, y, w, h);
 }