Preliminary work to allow Chrome to build with USE_AURA

chrome/browser/ui/views/tabs/base_tab_strip.cc

 // 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 "chrome/browser/ui/views/tabs/base_tab_strip.h"
 
 #include "base/logging.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tabs/dragged_tab_controller.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
@@ skipping 71 matching lines @@
   // a mouse moved event at the current mouse position. This tickles the Tab
   // the mouse is currently over to show the "hot" state of the close button.
   void HighlightCloseButton() {
     if (tabstrip_->IsDragSessionActive() ||
         !tabstrip_->ShouldHighlightCloseButtonAfterRemove()) {
       // This function is not required (and indeed may crash!) for removes
       // spawned by non-mouse closes and drag-detaches.
       return;
     }
 
-#if defined(OS_WIN)
+#if defined(OS_WIN) && !defined(USE_AURA)
     views::Widget* widget = tabstrip_->GetWidget();
     // This can be null during shutdown. See http://crbug.com/42737.
     if (!widget)
       return;
 
     widget->ResetLastMouseMoveFlag();
 
     // Force the close button (that slides under the mouse) to highlight by
     // saying the mouse just moved, but sending the same coordinates.
     DWORD pos = GetMessagePos();
@@ skipping 476 matching lines @@
     // Animate the view back to its correct position.
     GenerateIdealBounds();
     AnimateToIdealBounds();
   }
   bounds_animator_.AnimateViewTo(tab, ideal_bounds(TabIndexOfTab(tab)));
   // Install a delegate to reset the dragging state when done. We have to leave
   // dragging true for the tab otherwise it'll draw beneath the new tab button.
   bounds_animator_.SetAnimationDelegate(
       tab, new ResetDraggingStateDelegate(tab), true);
 }