aura: Remove WindowTreeHost::QueryMouseLocation().

ui/views/test/ui_controls_factory_desktop_aurax11.cc

 // Copyright 2013 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 <X11/keysym.h>
 #include <X11/Xlib.h>
 
 // X macro fail.
 #if defined(RootWindow)
 #undef RootWindow
 #endif
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/env.h"
+#include "ui/aura/test/aura_test_utils.h"
 #include "ui/aura/test/ui_controls_factory_aura.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/test/ui_controls_aura.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/compositor/dip_util.h"
 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
 #include "ui/events/test/platform_event_waiter.h"
 #include "ui/gfx/x/x11_connection.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
 
@@ skipping 108 matching lines @@
     aura::Window* root_window = RootWindowForPoint(screen_location);
 
     aura::client::ScreenPositionClient* screen_position_client =
           aura::client::GetScreenPositionClient(root_window);
     if (screen_position_client) {
       screen_position_client->ConvertPointFromScreen(root_window,
                                                      &root_location);
     }
 
     aura::WindowTreeHost* host = root_window->GetHost();
-    gfx::Point root_current_location;
-    host->QueryMouseLocation(&root_current_location);
+    gfx::Point root_current_location =
+        aura::test::QueryLatestMousePositionRequestInHost(host);
     host->ConvertPointFromHost(&root_current_location);
 
     if (root_location != root_current_location && button_down_mask == 0) {
       // Move the cursor because EnterNotify/LeaveNotify are generated with the
       // current mouse position as a result of XGrabPointer()
       root_window->MoveCursorTo(root_location);
     } else {
       XEvent xevent = {0};
       XMotionEvent* xmotion = &xevent.xmotion;
       xmotion->type = MotionNotify;
@@ skipping 125 matching lines @@
 
 UIControlsAura* CreateUIControlsDesktopAura() {
   // The constructor of UIControlsDesktopX11 needs X11 connection to be
   // initialized.
   gfx::InitializeThreadedX11();
   return new UIControlsDesktopX11();
 }
 
 }  // namespace test
 }  // namespace views