Move more dnd related files to ui/base

ui/base/dragdrop/gtk_dnd_util.cc

Index: ui/base/dragdrop/gtk_dnd_util.cc
===================================================================
--- ui/base/dragdrop/gtk_dnd_util.cc	(revision 71798)
+++ ui/base/dragdrop/gtk_dnd_util.cc	(working copy)
@@ -1,8 +1,8 @@
-// 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/gtk_dnd_util.h"
+#include "ui/base/dragdrop/gtk_dnd_util.h"
 
 #include <string>
 
@@ -13,6 +13,8 @@
 
 static const int kBitsPerByte = 8;
 
+namespace ui {
+
 namespace {
 
 void AddTargetToList(GtkTargetList* targets, int target_code) {
@@ -57,8 +59,6 @@
 
 }  // namespace
 
-namespace gtk_dnd_util {
-
 GdkAtom GetAtomForTarget(int target) {
   switch (target) {
     case CHROME_TAB:
@@ -260,4 +260,4 @@
   return true;
 }
 
-}  // namespace gtk_dnd_util
+}  // namespace ui