browser: Move window sizer to subdir.

chrome/browser/ui/window_sizer_win.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/window_sizer.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 = 10;
-
-// static
-gfx::Point WindowSizer::GetDefaultPopupOrigin(const gfx::Size& size) {
-  RECT area;
-  SystemParametersInfo(SPI_GETWORKAREA, 0, &area, 0);
-  gfx::Point corner(area.left, area.top);
-
-  if (Browser* b = BrowserList::GetLastActive()) {
-    RECT browser;
-    HWND window = reinterpret_cast<HWND>(b->window()->GetNativeWindow());
-    if (GetWindowRect(window, &browser)) {
-      // Limit to not overflow the work area right and bottom edges.
-      gfx::Point limit(
-          std::min(browser.left + kWindowTilePixels, area.right-size.width()),
-          std::min(browser.top + kWindowTilePixels, area.bottom-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 = gfx::Point(
-          std::max(corner.x(), limit.x()),
-          std::max(corner.y(), limit.y())
-      );
-    }
-  }
-  return corner;
-}