Move more dnd related files to ui/base

ui/base/dragdrop/gtk_dnd_util.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/gtk_dnd_util.h"
+#include "ui/base/dragdrop/gtk_dnd_util.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/pickle.h"
 #include "base/utf_string_conversions.h"
 #include "googleurl/src/gurl.h"
 
 static const int kBitsPerByte = 8;
 
+namespace ui {
+
 namespace {
 
 void AddTargetToList(GtkTargetList* targets, int target_code) {
   switch (target_code) {
     case gtk_dnd_util::TEXT_PLAIN:
       gtk_target_list_add_text_targets(targets, gtk_dnd_util::TEXT_PLAIN);
       break;
 
     case gtk_dnd_util::TEXT_URI_LIST:
       gtk_target_list_add_uri_targets(targets, gtk_dnd_util::TEXT_URI_LIST);
@@ skipping 24 matching lines @@
           0, gtk_dnd_util::DIRECT_SAVE_FILE);
       break;
 
     default:
       NOTREACHED() << " Unexpected target code: " << target_code;
   }
 }
 
 }  // namespace
 
-namespace gtk_dnd_util {
-
 GdkAtom GetAtomForTarget(int target) {
   switch (target) {
     case CHROME_TAB:
       static GdkAtom tab_atom = gdk_atom_intern(
           const_cast<char*>("application/x-chrome-tab"), false);
       return tab_atom;
 
     case TEXT_HTML:
       static GdkAtom html_atom = gdk_atom_intern(
           const_cast<char*>("text/html"), false);
@@ skipping 181 matching lines @@
 
   GURL gurl(data.substr(0, newline));
   if (!gurl.is_valid())
     return false;
 
   *url = gurl;
   *title = UTF8ToUTF16(data.substr(newline + 1));
   return true;
 }
 
-}  // namespace gtk_dnd_util
+}  // namespace ui