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

chrome/browser/devtools/devtools_protocol.h

 // Copyright (c) 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_DEVTOOLS_DEVTOOLS_PROTOCOL_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 
 // Utility class for processing DevTools remote debugging messages.
 class DevToolsProtocol {
  public:
   // Caller maintains ownership of |command|. |*params| is owned by |command|.
   static bool ParseCommand(base::DictionaryValue* command,
                            int* command_id,
                            std::string* method,
                            base::DictionaryValue** params);
@@ skipping 17 matching lines @@
   static scoped_ptr<base::DictionaryValue> CreateInvalidParamsResponse(
       int command_id,
       const std::string& param);
 
  private:
   DevToolsProtocol() {}
   ~DevToolsProtocol() {}
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_