Fix a bunch of IWYU violators that don't include scoped_ptr.h

ui/compositor/test/draw_waiter_for_test.h

 // Copyright 2014 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 UI_COMPOSITOR_TEST_DRAW_WAITER_H_
 #define UI_COMPOSITOR_TEST_DRAW_WAITER_H_
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "ui/compositor/compositor_observer.h"
 
 class Compositor;
 
 namespace ui {
 
 // This is only to be used for test. It allows execution of other tasks on
 // the current message loop before the current task finishs (there is a
 // potential for re-entrancy).
@@ skipping 33 matching lines @@
   scoped_ptr<base::RunLoop> wait_run_loop_;
 
   WaitEvent wait_event_;
 
   DISALLOW_COPY_AND_ASSIGN(DrawWaiterForTest);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_TEST_DRAW_WAITER_H_