Move OSExchangeData from src/app to src/ui/base/dragdrop...

ui/base/dragdrop/os_exchange_data_provider_gtk.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 "app/os_exchange_data_provider_gtk.h"
+#include "ui/base/dragdrop/os_exchange_data_provider_gtk.h"
 
 #include <algorithm>
 
 #include "app/gtk_dnd_util.h"
 #include "base/file_path.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/net_util.h"
 
+namespace ui {
+
 OSExchangeDataProviderGtk::OSExchangeDataProviderGtk(
     int known_formats,
     const std::set<GdkAtom>& known_custom_formats)
     : known_formats_(known_formats),
       known_custom_formats_(known_custom_formats),
       formats_(0),
       drag_image_(NULL) {
 }
 
 OSExchangeDataProviderGtk::OSExchangeDataProviderGtk()
@@ skipping 211 matching lines @@
 // OSExchangeData, public:
 
 // static
 OSExchangeData::Provider* OSExchangeData::CreateProvider() {
   return new OSExchangeDataProviderGtk();
 }
 
 GdkAtom OSExchangeData::RegisterCustomFormat(const std::string& type) {
   return gdk_atom_intern(type.c_str(), false);
 }
+
+}  // namespace ui