Remove usages of XInternAtom

ui/base/dragdrop/os_exchange_data_provider_aurax11.h

 // 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.
 
 #ifndef UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURAX11_H_
 #define UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURAX11_H_
 
 #include <stdint.h>
 #include <X11/Xlib.h>
 
 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
 #undef RootWindow
 
 #include <map>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/pickle.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/x/selection_owner.h"
 #include "ui/base/x/selection_requestor.h"
 #include "ui/base/x/selection_utils.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/x/x11_atom_cache.h"
 #include "url/gurl.h"
 
 namespace ui {
 
 class Clipboard;
 class OSExchangeDataProviderAuraX11Test;
 
 // OSExchangeData::Provider implementation for aura on linux.
 class UI_BASE_EXPORT OSExchangeDataProviderAuraX11
     : public OSExchangeData::Provider,
@@ skipping 85 matching lines @@
   // In X11, because the IPC parts of drag operations are implemented by
   // XSelection, we require an x11 window to receive drag messages on. The
   // OSExchangeDataProvider system is modeled on the Windows implementation,
   // which does not require a window. We only sometimes have a valid window
   // available (in the case of drag receiving). Other times, we need to create
   // our own xwindow just to receive events on it.
   const bool own_window_;
 
   ::Window x_window_;
 
-  X11AtomCache atom_cache_;
-
   // A representation of data. This is either passed to us from the other
   // process, or built up through a sequence of Set*() calls. It can be passed
   // to |selection_owner_| when we take the selection.
   SelectionFormatMap format_map_;
 
   // Auxilary data for the X Direct Save protocol.
   base::FilePath file_contents_name_;
 
   // Takes a snapshot of |format_map_| and offers it to other windows.
   mutable SelectionOwner selection_owner_;
 
   DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderAuraX11);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_AURAX11_H_