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

chrome/browser/ui/app_list/profile_loader.h

 // Copyright 2013 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 CHROME_BROWSER_UI_APP_LIST_PROFILE_LOADER_H_
 #define CHROME_BROWSER_UI_APP_LIST_PROFILE_LOADER_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 
 namespace base {
 class FilePath;
 }
 
 class Profile;
 class ProfileLoaderUnittest;
 class ProfileStore;
 class ScopedKeepAlive;
@@ skipping 30 matching lines @@
   scoped_ptr<ScopedKeepAlive> keep_alive_;
   int profile_load_sequence_id_;
   int pending_profile_loads_;
 
   base::WeakPtrFactory<ProfileLoader> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileLoader);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_PROFILE_LOADER_H_