Fix clang build for r86677.

views/test/test_views_delegate.h

 // 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.
 
 #ifndef VIEWS_TEST_TEST_VIEWS_DELEGATE_H_
 #define VIEWS_TEST_TEST_VIEWS_DELEGATE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/base/accessibility/accessibility_types.h"
 #include "ui/base/clipboard/clipboard.h"
@@ skipping 33 matching lines @@
       bool has_submenu) {}
 #if defined(OS_WIN)
   virtual HICON GetDefaultWindowIcon() const OVERRIDE {
     return NULL;
   }
 #endif
 
   virtual void AddRef() OVERRIDE {}
   virtual void ReleaseRef() OVERRIDE {}
 
-  virtual int GetDispositionForEvent(int event_flags) OVERRIDE {
-    return 0;
-  }
+  virtual int GetDispositionForEvent(int event_flags) OVERRIDE;
 
  private:
   mutable scoped_ptr<ui::Clipboard> clipboard_;
 
   DISALLOW_COPY_AND_ASSIGN(TestViewsDelegate);
 };
 
 #endif  // VIEWS_TEST_TEST_VIEWS_DELEGATE_H_