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

content/public/test/test_launcher.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 CONTENT_PUBLIC_TEST_TEST_LAUNCHER_H_
 #define CONTENT_PUBLIC_TEST_TEST_LAUNCHER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/test/launcher/test_launcher.h"
 
 namespace base {
 class CommandLine;
 class FilePath;
 class RunLoop;
 }
 
 namespace content {
 class ContentMainDelegate;
@@ skipping 59 matching lines @@
                 int default_jobs,
                 int argc,
                 char** argv) WARN_UNUSED_RESULT;
 
 TestLauncherDelegate* GetCurrentTestLauncherDelegate();
 ContentMainParams* GetContentMainParams();
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEST_LAUNCHER_H_