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

chrome/browser/diagnostics/recon_diagnostics.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/diagnostics/recon_diagnostics.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "build/build_config.h"
 #include "chrome/browser/diagnostics/diagnostics_test.h"
 #include "chrome/common/channel_info.h"
 #include "chrome/common/chrome_constants.h"
@@ skipping 406 matching lines @@
 
 DiagnosticsTest* MakeResourcesFileTest() {
   return new PathTest(kPathsToTest[2]);
 }
 
 DiagnosticsTest* MakeUserDirTest() { return new PathTest(kPathsToTest[3]); }
 
 DiagnosticsTest* MakeVersionTest() { return new VersionTest(); }
 
 }  // namespace diagnostics