Fix IWYU violators that don't include scoped_ptr.h in Windows build.

chrome/browser/devtools/devtools_target_impl.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_DEVTOOLS_DEVTOOLS_TARGET_IMPL_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_IMPL_H_
 
 #include <vector>
 
 #include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
 #include "components/devtools_discovery/basic_target_descriptor.h"
 
 class Profile;
 
 namespace content {
 class DevToolsAgentHost;
 class WebContents;
 }
 
 class DevToolsTargetImpl : public devtools_discovery::BasicTargetDescriptor {
@@ skipping 30 matching lines @@
 
   // Creates a new target associated with tab.
   static scoped_ptr<DevToolsTargetImpl> CreateForTab(
       content::WebContents* web_contents);
 
   // Caller takes ownership of returned objects.
   static std::vector<DevToolsTargetImpl*> EnumerateAll();
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_IMPL_H_