browser: Move window sizer to subdir.

chrome/browser/ui/window_sizer/window_sizer_mac.mm

 // 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/window_sizer.h"
+#include "chrome/browser/ui/window_sizer/window_sizer.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 
 // How much horizontal and vertical offset there is between newly
 // opened windows.
 const int WindowSizer::kWindowTilePixels = 22;
@@ skipping 16 matching lines @@
                  NSMinY(work_area) + size.height()));
 
     // Adjust corner to now overflow the work area left and top edges, so
     // that if a popup does not fit the title-bar is remains visible.
     corner = NSMakePoint(std::max(corner.x, limit.x),
                          std::min(corner.y, limit.y));
   }
 
   return gfx::Point(corner.x, NSHeight(main_area) - corner.y);
 }