Move BaseDropTarget and BaseDragSource from base to app/win. Remove the "Base...

views/widget/drop_target_win.cc

Index: views/widget/drop_target_win.cc
===================================================================
--- views/widget/drop_target_win.cc	(revision 62888)
+++ views/widget/drop_target_win.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -14,7 +14,7 @@
 namespace views {
 
 DropTargetWin::DropTargetWin(RootView* root_view)
-    : BaseDropTarget(root_view->GetWidget()->GetNativeView()),
+    : app::win::DropTarget(root_view->GetWidget()->GetNativeView()),
       helper_(root_view) {
 }