Move most of ui/views/drag_utils to ui/base/dragdrop so it can be used outside of views. I tried to…

chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/views/bookmarks/bookmark_bar_view.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <vector>
@@ skipping 31 matching lines @@
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/page_transition_types.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_resources.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/animation/slide_animation.h"
+#include "ui/base/dragdrop/drag_utils.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/text/text_elider.h"
 #include "ui/gfx/canvas_skia.h"
+#include "ui/views/button_drag_utils.h"
 #include "ui/views/controls/button/menu_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/menu/menu_item_view.h"
-#include "ui/views/drag_utils.h"
 #include "ui/views/metrics.h"
 #include "ui/views/view_constants.h"
 #include "ui/views/widget/tooltip_manager.h"
 #include "ui/views/widget/widget.h"
 
 using content::OpenURLParams;
 using content::PageNavigator;
 using content::Referrer;
 using content::UserMetricsAction;
 using views::CustomButton;
@@ skipping 1591 matching lines @@
               (1 - size_animation_->GetCurrentValue())));
     } else {
       prefsize.set_height(
           static_cast<int>(
               browser_defaults::kBookmarkBarHeight *
               size_animation_->GetCurrentValue()));
     }
   }
   return prefsize;
 }