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

extensions/browser/api/declarative/rules_cache_delegate.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 EXTENSIONS_BROWSER_API_DECLARATIVE_RULES_CACHE_DELEGATE_H__
 #define EXTENSIONS_BROWSER_API_DECLARATIVE_RULES_CACHE_DELEGATE_H__
 
 #include <set>
 #include <string>
 
 #include "base/gtest_prod_util.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace extensions {
 
 class RulesRegistry;
@@ skipping 81 matching lines @@
   // We notified the RulesRegistry that the rules are loaded.
   bool notified_registry_;
 
   // Use this factory to generate weak pointers bound to the UI thread.
   base::WeakPtrFactory<RulesCacheDelegate> weak_ptr_factory_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_DECLARATIVE_RULES_CACHE_DELEGATE_H__