Pull ChildProcessSecurityPolicyImpl out to shared subfolder

content/browser/loader/async_revalidation_manager_unittest.cc

 // 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.
 
 #include "content/browser/loader/async_revalidation_manager.h"
 
 #include <deque>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/shared_memory_handle.h"
 #include "base/pickle.h"
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
-#include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/loader/resource_message_filter.h"
+#include "content/browser/shared/child_process_security_policy_helper.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/resource_messages.h"
 #include "content/common/resource_request.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/common/appcache_info.h"
 #include "content/public/common/process_type.h"
 #include "content/public/common/resource_type.h"
 #include "content/public/test/test_browser_context.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "ipc/ipc_param_traits.h"
@@ skipping 515 matching lines @@
   // already completed.
   EXPECT_TRUE(NextRequestWasDestroyed());
 
   // But no others.
   EXPECT_TRUE(IsEmpty());
 }
 
 }  // namespace
 
 }  // namespace content