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

aura/demo/demo_main.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.h"
+#include "aura/event.h"
 #include "aura/window.h"
 #include "aura/window_delegate.h"
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/i18n/icu_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/skia/include/core/SkXfermode.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
-#include "ui/gfx/canvas.h"
 #include "ui/gfx/canvas_skia.h"
 #include "ui/gfx/rect.h"
 
 namespace {
 
 // Trivial WindowDelegate implementation that draws a colored background.
 class DemoWindowDelegate : public aura::WindowDelegate {
  public:
   explicit DemoWindowDelegate(SkColor color) : color_(color) {}
 
+  virtual bool OnMouseEvent(const aura::MouseEvent& event) OVERRIDE {
+    return true;
+  }
+
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
     canvas->AsCanvasSkia()->drawColor(color_, SkXfermode::kSrc_Mode);
   }
 
+  virtual void OnWindowDestroyed() OVERRIDE {
+  }
+
  private:
   SkColor color_;
 
   DISALLOW_COPY_AND_ASSIGN(DemoWindowDelegate);
 };
 
 
 }  // namespace
 
 int main(int argc, char** argv) {
@@ skipping 34 matching lines @@
   window3.set_id(3);
   window3.Init();
   window3.SetBounds(gfx::Rect(10, 10, 50, 50), 0);
   window3.SetVisibility(aura::Window::VISIBILITY_SHOWN);
   window3.SetParent(&window2);
 
   aura::Desktop::GetInstance()->Run();
   return 0;
 }