Pass in long to XChangeProperty() instead of an int when using format=32

ui/base/x/selection_owner.cc

 // Copyright (c) 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 "ui/base/x/selection_owner.h"
 
 #include <algorithm>
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
 
@@ skipping 229 matching lines @@
                     targets.size());
     return true;
   } else {
     // Try to find the data type in map.
     SelectionFormatMap::const_iterator it = format_map_.find(target);
     if (it != format_map_.end()) {
       if (it->second->size() > max_request_size_) {
         // We must send the data back in several chunks due to a limitation in
         // the size of X requests. Notify the selection requestor that the data
         // will be sent incrementally by returning data of type "INCR".
-        int length = it->second->size();
+        long length = it->second->size();
         XChangeProperty(x_display_,
                         requestor,
                         property,
                         atom_cache_.GetAtom(kIncr),
                         32,
                         PropModeReplace,
                         reinterpret_cast<unsigned char*>(&length),
                         1);
 
         // Wait for the selection requestor to indicate that it has processed
@@ skipping 114 matching lines @@
       data(data),
       offset(offset),
       timeout(timeout),
       foreign_window_manager_id(foreign_window_manager_id) {
 }
 
 SelectionOwner::IncrementalTransfer::~IncrementalTransfer() {
 }
 
 }  // namespace ui