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

content/public/test/test_web_contents_factory.h

 // Copyright 2015 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_WEB_CONTENTS_FACTORY_H_
 #define CONTENT_PUBLIC_TEST_TEST_WEB_CONTENTS_FACTORY_H_
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 
 namespace content {
 class BrowserContext;
 class RenderViewHostTestEnabler;
 class WebContents;
 
 // A helper class to create test web contents (tabs) for unit tests, without
 // inheriting from RenderViewTestHarness. Can create web contents, and will
 // clean up after itself upon destruction. Owns all created web contents.
@@ skipping 21 matching lines @@
 
   // The vector of web contents that this class created.
   ScopedVector<WebContents> web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWebContentsFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEST_WEB_CONTENTS_FACTORY_H_