aura: Remove WindowTreeHost::QueryMouseLocation().

ui/aura/test/aura_test_utils.h

+// 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.
+
+#ifndef UI_AURA_TEST_AURA_TEST_UTILS_H_
+#define UI_AURA_TEST_AURA_TEST_UTILS_H_
+
+#include "base/macros.h"
+
+namespace gfx {
+class Point;
+}
+
+namespace aura {
+
+class WindowTreeHost;
+
+class WindowTreeHostTestApi {
+ public:
+  explicit WindowTreeHostTestApi(WindowTreeHost* host);
+
+  const gfx::Point& last_cursor_request_position_in_host();
+
+ private:
+  WindowTreeHost* host_;
+
+  DISALLOW_COPY_AND_ASSIGN(WindowTreeHostTestApi);
+};
+
+}  // namespace aura
+
+#endif  // UI_AURA_TEST_AURA_TEST_UTILS_H_