Pull ChildProcessSecurityPolicyImpl out to shared subfolder

content/browser/shared/child_process_security_policy_helper.h

 // 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.
 
-#ifndef CONTENT_BROWSER_CHILD_PROCESS_SECURITY_POLICY_IMPL_H_
-#define CONTENT_BROWSER_CHILD_PROCESS_SECURITY_POLICY_IMPL_H_
+#ifndef CONTENT_BROWSER_SHARED_CHILD_PROCESS_SECURITY_POLICY_HELPER_H_
+#define CONTENT_BROWSER_SHARED_CHILD_PROCESS_SECURITY_POLICY_HELPER_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/common/resource_type.h"
 #include "storage/common/fileapi/file_system_types.h"
 
 class GURL;
 
 namespace base {
 class FilePath;
 }
 
 namespace storage {
 class FileSystemURL;
 }
 
 namespace content {
 
-class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
+class CONTENT_EXPORT ChildProcessSecurityPolicyHelper
     : NON_EXPORTED_BASE(public ChildProcessSecurityPolicy) {
  public:
   // Object can only be created through GetInstance() so the constructor is
   // private.
-  ~ChildProcessSecurityPolicyImpl() override;
+  ~ChildProcessSecurityPolicyHelper() override;
 
-  static ChildProcessSecurityPolicyImpl* GetInstance();
+  static ChildProcessSecurityPolicyHelper* GetInstance();
 
   // ChildProcessSecurityPolicy implementation.
   void RegisterWebSafeScheme(const std::string& scheme) override;
   bool IsWebSafeScheme(const std::string& scheme) override;
   void GrantReadFile(int child_id, const base::FilePath& file) override;
   void GrantCreateReadWriteFile(int child_id,
                                 const base::FilePath& file) override;
   void GrantCopyInto(int child_id, const base::FilePath& dir) override;
   void GrantDeleteFrom(int child_id, const base::FilePath& dir) override;
   void GrantReadFileSystem(int child_id,
@@ skipping 119 matching lines @@
                            NoLeak);
   FRIEND_TEST_ALL_PREFIXES(ChildProcessSecurityPolicyTest, FilePermissions);
 
   class SecurityState;
 
   typedef std::set<std::string> SchemeSet;
   typedef std::map<int, SecurityState*> SecurityStateMap;
   typedef std::map<int, int> WorkerToMainProcessMap;
   typedef std::map<storage::FileSystemType, int> FileSystemPermissionPolicyMap;
 
-  // Obtain an instance of ChildProcessSecurityPolicyImpl via GetInstance().
-  ChildProcessSecurityPolicyImpl();
-  friend struct base::DefaultSingletonTraits<ChildProcessSecurityPolicyImpl>;
+  // Obtain an instance of ChildProcessSecurityPolicyHelper via GetInstance().
+  ChildProcessSecurityPolicyHelper();
+  friend struct base::DefaultSingletonTraits<ChildProcessSecurityPolicyHelper>;
 
   // Adds child process during registration.
   void AddChild(int child_id);
 
   // Determines if certain permissions were granted for a file to given child
   // process. |permissions| is an internally defined bit-set.
   bool ChildProcessHasPermissionsForFile(int child_id,
                                          const base::FilePath& file,
                                          int permissions);
 
@@ skipping 50 matching lines @@
   // owned by this object and are protected by |lock_|.  References to them must
   // not escape this class.
   SecurityStateMap security_state_;
 
   // This maps keeps the record of which js worker thread child process
   // corresponds to which main js thread child process.
   WorkerToMainProcessMap worker_map_;
 
   FileSystemPermissionPolicyMap file_system_policy_map_;
 
-  DISALLOW_COPY_AND_ASSIGN(ChildProcessSecurityPolicyImpl);
+  DISALLOW_COPY_AND_ASSIGN(ChildProcessSecurityPolicyHelper);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_CHILD_PROCESS_SECURITY_POLICY_IMPL_H_
+#endif  // CONTENT_BROWSER_SHARED_CHILD_PROCESS_SECURITY_POLICY_HELPER_H_