gfx::Screen: Replace GetWindowUnderCursor() with IsWindowUnderCursor().

extensions/shell/browser/shell_screen.cc

 // Copyright 2014 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 "extensions/shell/browser/shell_screen.h"
 
 #include <stdint.h>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 45 matching lines @@
   host_->window()->RemoveObserver(this);
   host_ = nullptr;
 }
 
 // display::Screen overrides:
 
 gfx::Point ShellScreen::GetCursorScreenPoint() {
   return aura::Env::GetInstance()->last_mouse_location();
 }
 
-gfx::NativeWindow ShellScreen::GetWindowUnderCursor() {
-  return GetWindowAtScreenPoint(GetCursorScreenPoint());
+bool ShellScreen::IsWindowUnderCursor(gfx::NativeWindow window) {
+  return GetWindowAtScreenPoint(GetCursorScreenPoint()) == window;
 }
 
 gfx::NativeWindow ShellScreen::GetWindowAtScreenPoint(const gfx::Point& point) {
   return host_->window()->GetTopWindowContainingPoint(point);
 }
 
 int ShellScreen::GetNumDisplays() const {
   return 1;
 }
 
@@ skipping 18 matching lines @@
 
 display::Display ShellScreen::GetPrimaryDisplay() const {
   return display_;
 }
 
 void ShellScreen::AddObserver(display::DisplayObserver* observer) {}
 
 void ShellScreen::RemoveObserver(display::DisplayObserver* observer) {}
 
 }  // namespace extensions