Gets ComboBox to compile on linux.

views/controls/combobox/combobox.cc

 // Copyright (c) 2006-2008 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 "views/controls/combobox/combobox.h"
 
+#include "base/logging.h"
 #include "views/controls/combobox/native_combobox_wrapper.h"
 
 namespace views {
 
 // static
 const char Combobox::kViewClassName[] = "views/Combobox";
 
 ////////////////////////////////////////////////////////////////////////////////
 // Combobox, public:
 
@@ skipping 78 matching lines @@
     native_wrapper_->UpdateEnabled();
     AddChildView(native_wrapper_->GetView());
   }
 }
 
 std::string Combobox::GetClassName() const {
   return kViewClassName;
 }
 
 }  // namespace views