Proper MouseEvent targeting. Adds a Window method that locates a Window for a given point.

aura/desktop_host_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 "aura/desktop_host_win.h"
 
 #include "aura/desktop.h"
 #include "aura/event.h"
 #include "base/message_loop.h"
 
@@ skipping 29 matching lines @@
 void DesktopHostWin::Show() {
   ShowWindow(hwnd(), SW_SHOWNORMAL);
 }
 
 gfx::Size DesktopHostWin::GetSize() {
   RECT r;
   GetClientRect(hwnd(), &r);
   return gfx::Rect(r).size();
 }
 
+void DesktopHostWin::SetSize(const gfx::Size& size) {
+  SetWindowPos(
+      hwnd(),
+      NULL,
+      0,
+      0,
+      size.width(),
+      size.height(),
+      SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOREDRAW | SWP_NOREPOSITION);
+}
+
 void DesktopHostWin::OnClose() {
   // TODO: this obviously shouldn't be here.
   MessageLoopForUI::current()->Quit();
 }
 
 LRESULT DesktopHostWin::OnMouseRange(UINT message,
                                      WPARAM w_param,
                                      LPARAM l_param) {
   MSG msg = { hwnd(), message, w_param, l_param, 0,
               { GET_X_LPARAM(l_param), GET_Y_LPARAM(l_param) } };
   MouseEvent event(msg);
   bool handled = false;
   if (!(event.flags() & ui::EF_IS_NON_CLIENT))
     handled = desktop_->OnMouseEvent(event);
   SetMsgHandled(handled);
   return 0;
 }
 
 void DesktopHostWin::OnPaint(HDC dc) {
   if (desktop_)
     desktop_->Draw();
   ValidateRect(hwnd(), NULL);
 }
 
 }  // namespace aura