Fix linux-views build by adding a header change I missed in my previous check...

chrome/browser/views/tab_contents/tab_contents_view_gtk.cc

 // Copyright (c) 2009 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/views/tab_contents/tab_contents_view_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 #include "base/string_util.h"
 #include "base/gfx/point.h"
 #include "base/gfx/rect.h"
 #include "base/gfx/size.h"
 #include "build/build_config.h"
 #include "chrome/browser/blocked_popup_container.h"
 #include "chrome/browser/download/download_shelf.h"
 #include "chrome/browser/gtk/tab_contents_drag_source.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_view_host_factory.h"
 #include "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
 #include "chrome/browser/tab_contents/interstitial_page.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/browser/views/sad_tab_view.h"
 #include "chrome/browser/views/tab_contents/render_view_context_menu_win.h"
 #include "views/controls/native/native_view_host.h"
 #include "views/widget/root_view.h"
 
+using WebKit::WebDragOperation;
+using WebKit::WebDragOperationsMask;
 using WebKit::WebInputEvent;
 
 
 namespace {
 
 // Called when the content view gtk widget is tabbed to, or after the call to
 // gtk_widget_child_focus() in TakeFocus(). We return true
 // and grab focus if we don't have it. The call to
 // FocusThroughTabTraversal(bool) forwards the "move focus forward" effect to
 // webkit.
@@ skipping 298 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BlockedPopupContainerViewGtk);
 };
 
 // static
 BlockedPopupContainerView* BlockedPopupContainerView::Create(
     BlockedPopupContainer* container) {
   return new BlockedPopupContainerViewGtk;
 }