Don't allow new windows to be created outside the monitor's work area....

chrome/browser/ui/tabs/dock_info_win.cc

 // Copyright (c) 2011 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/tabs/dock_info.h"
 
 #include "base/win/scoped_gdi_object.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/tabs/tab.h"
+#include "views/screen.h"
 
 namespace {
 
 // BaseWindowFinder -----------------------------------------------------------
 
 // Base class used to locate a window. This is intended to be used with the
 // various win32 functions that iterate over windows.
 //
 // A subclass need only override ShouldStopIterating to determine when
 // iteration should stop.
@@ skipping 201 matching lines @@
       return true;
     }
     return false;
   }
 
  private:
   DockToWindowFinder(const gfx::Point& screen_loc,
                      const std::set<HWND>& ignore)
       : BaseWindowFinder(ignore),
         screen_loc_(screen_loc) {
-    HMONITOR monitor = MonitorFromPoint(screen_loc.ToPOINT(),
-                                        MONITOR_DEFAULTTONULL);
-    MONITORINFO monitor_info = {0};
-    monitor_info.cbSize = sizeof(MONITORINFO);
-    if (monitor && GetMonitorInfo(monitor, &monitor_info)) {
-      result_.set_monitor_bounds(gfx::Rect(monitor_info.rcWork));
+    gfx::Rect work_area = views::Screen::GetMonitorWorkAreaNearestPoint(
+        screen_loc);
+    if (!work_area.IsEmpty()) {
+      result_.set_monitor_bounds(work_area);
       EnumThreadWindows(GetCurrentThreadId(), WindowCallbackProc,
                         reinterpret_cast<LPARAM>(this));
     }
   }
 
   bool CheckPoint(HWND hwnd, int x, int y, DockInfo::Type type) {
     bool in_enable_area;
     if (DockInfo::IsCloseToPoint(screen_loc_, x, y, &in_enable_area)) {
       result_.set_in_enable_area(in_enable_area);
       result_.set_window(hwnd);
@@ skipping 67 matching lines @@
 
 void DockInfo::SizeOtherWindowTo(const gfx::Rect& bounds) const {
   if (IsZoomed(window())) {
     // We're docking relative to another window, we need to make sure the
     // window we're docking to isn't maximized.
     ShowWindow(window(), SW_RESTORE | SW_SHOWNA);
   }
   SetWindowPos(window(), HWND_TOP, bounds.x(), bounds.y(), bounds.width(),
                bounds.height(), SWP_NOACTIVATE | SWP_NOOWNERZORDER);
 }