aura: Remove WindowTreeHost::QueryMouseLocation().

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc

 // Copyright (c) 2012 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 "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
 
 #include <X11/extensions/shape.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xatom.h>
 #include <X11/Xregion.h>
@@ skipping 838 matching lines @@
 
   g_current_capture = this;
   x11_capture_.reset(new X11ScopedCapture(xwindow_));
 }
 
 void DesktopWindowTreeHostX11::ReleaseCapture() {
   if (g_current_capture == this)
     g_current_capture->OnCaptureReleased();
 }
 
-bool DesktopWindowTreeHostX11::QueryMouseLocation(
-    gfx::Point* location_return) {
-  aura::client::CursorClient* cursor_client =
-      aura::client::GetCursorClient(window());
-  if (cursor_client && !cursor_client->IsMouseEventsEnabled()) {
-    *location_return = gfx::Point(0, 0);
-    return false;
-  }
-
-  ::Window root_return, child_return;
-  int root_x_return, root_y_return, win_x_return, win_y_return;
-  unsigned int mask_return;
-  XQueryPointer(xdisplay_,
-                xwindow_,
-                &root_return,
-                &child_return,
-                &root_x_return, &root_y_return,
-                &win_x_return, &win_y_return,
-                &mask_return);
-  *location_return = gfx::Point(
-      std::max(0, std::min(bounds_.width(), win_x_return)),
-      std::max(0, std::min(bounds_.height(), win_y_return)));
-  return (win_x_return >= 0 && win_x_return < bounds_.width() &&
-          win_y_return >= 0 && win_y_return < bounds_.height());
-}
-
 void DesktopWindowTreeHostX11::SetCursorNative(gfx::NativeCursor cursor) {
   XDefineCursor(xdisplay_, xwindow_, cursor.platform());
 }
 
 void DesktopWindowTreeHostX11::MoveCursorToNative(const gfx::Point& location) {
   XWarpPointer(xdisplay_, None, x_root_window_, 0, 0, 0, 0,
                bounds_.x() + location.x(), bounds_.y() + location.y());
 }
 
 void DesktopWindowTreeHostX11::OnCursorVisibilityChangedNative(bool show) {
@@ skipping 743 matching lines @@
   if (linux_ui) {
     ui::NativeTheme* native_theme = linux_ui->GetNativeTheme(window);
     if (native_theme)
       return native_theme;
   }
 
   return ui::NativeTheme::instance();
 }
 
 }  // namespace views