Remove usages of XInternAtom

ui/views/widget/desktop_aura/x11_window_event_filter.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/x11_window_event_filter.h"
 
 #include <X11/extensions/XInput.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
 
 #include "services/ui/public/interfaces/window_manager_constants.mojom.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/hit_test.h"
+#include "ui/base/x/x11_util.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/gfx/x/x11_types.h"
 #include "ui/views/linux_ui/linux_ui.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
 #include "ui/views/widget/native_widget_aura.h"
 #include "ui/views/widget/widget.h"
 
 namespace {
 
 // These constants are defined in the Extended Window Manager Hints
 // standard...and aren't in any header that I can find.
 const int k_NET_WM_MOVERESIZE_SIZE_TOPLEFT =     0;
 const int k_NET_WM_MOVERESIZE_SIZE_TOP =         1;
 const int k_NET_WM_MOVERESIZE_SIZE_TOPRIGHT =    2;
 const int k_NET_WM_MOVERESIZE_SIZE_RIGHT =       3;
 const int k_NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT = 4;
 const int k_NET_WM_MOVERESIZE_SIZE_BOTTOM =      5;
 const int k_NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT =  6;
 const int k_NET_WM_MOVERESIZE_SIZE_LEFT =        7;
 const int k_NET_WM_MOVERESIZE_MOVE =             8;
 
-const char* kAtomsToCache[] = {
-  "_NET_WM_MOVERESIZE",
-  NULL
-};
-
 }  // namespace
 
 namespace views {
 
 X11WindowEventFilter::X11WindowEventFilter(
     DesktopWindowTreeHost* window_tree_host)
     : xdisplay_(gfx::GetXDisplay()),
       xwindow_(window_tree_host->AsWindowTreeHost()->GetAcceleratedWidget()),
       x_root_window_(DefaultRootWindow(xdisplay_)),
-      atom_cache_(xdisplay_, kAtomsToCache),
       window_tree_host_(window_tree_host),
       click_component_(HTNOWHERE) {
 }
 
 X11WindowEventFilter::~X11WindowEventFilter() {
 }
 
 void X11WindowEventFilter::OnMouseEvent(ui::MouseEvent* event) {
   if (event->type() != ui::ET_MOUSE_PRESSED)
     return;
@@ skipping 151 matching lines @@
   // because what we're about to do is tell the window manager
   // that it's now responsible for moving the window around; it immediately
   // grabs when it receives the event below.
   XUngrabPointer(xdisplay_, CurrentTime);
 
   XEvent event;
   memset(&event, 0, sizeof(event));
   event.xclient.type = ClientMessage;
   event.xclient.display = xdisplay_;
   event.xclient.window = xwindow_;
-  event.xclient.message_type = atom_cache_.GetAtom("_NET_WM_MOVERESIZE");
+  event.xclient.message_type = ui::GetAtom("_NET_WM_MOVERESIZE");
   event.xclient.format = 32;
   event.xclient.data.l[0] = screen_location.x();
   event.xclient.data.l[1] = screen_location.y();
   event.xclient.data.l[2] = direction;
   event.xclient.data.l[3] = 0;
   event.xclient.data.l[4] = 0;
 
   XSendEvent(xdisplay_, x_root_window_, False,
              SubstructureRedirectMask | SubstructureNotifyMask,
              &event);
 
   return true;
 }
 
 }  // namespace views