Move implementation of ChildProcessSecurityPolicyImpl to c/b/shared, and wrap in c/b

content/browser/shared/child_process_security_policy_helper.h

Index: content/browser/shared/child_process_security_policy_helper.h
diff --git a/content/browser/child_process_security_policy_impl.h b/content/browser/shared/child_process_security_policy_helper.h
similarity index 74%
copy from content/browser/child_process_security_policy_impl.h
copy to content/browser/shared/child_process_security_policy_helper.h
index 271e69c0acd110ed0e3d74f7b1d0c8512300973f..814bebe9a73dd4fd96fab36273e5785805f57087 100644
--- a/content/browser/child_process_security_policy_impl.h
+++ b/content/browser/shared/child_process_security_policy_helper.h
@@ -1,9 +1,9 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2016 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>
@@ -15,9 +15,9 @@
 #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"
+#include "url/origin.h"
 
 class GURL;
 
@@ -31,52 +31,40 @@ class FileSystemURL;
 
 namespace content {
 
-class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
-    : NON_EXPORTED_BASE(public ChildProcessSecurityPolicy) {
+class CONTENT_EXPORT ChildProcessSecurityPolicyHelper {
  public:
   // Object can only be created through GetInstance() so the constructor is
   // private.
-  ~ChildProcessSecurityPolicyImpl() override;
-
-  static ChildProcessSecurityPolicyImpl* 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,
-                           const std::string& filesystem_id) override;
-  void GrantWriteFileSystem(int child_id,
-                            const std::string& filesystem_id) override;
+  ~ChildProcessSecurityPolicyHelper();
+
+  static ChildProcessSecurityPolicyHelper* GetInstance();
+
+  void RegisterWebSafeScheme(const std::string& scheme);
+  bool IsWebSafeScheme(const std::string& scheme);
+  void GrantReadFile(int child_id, const base::FilePath& file);
+  void GrantCreateReadWriteFile(int child_id, const base::FilePath& file);
+  void GrantCopyInto(int child_id, const base::FilePath& dir);
+  void GrantDeleteFrom(int child_id, const base::FilePath& dir);
+  void GrantReadFileSystem(int child_id, const std::string& filesystem_id);
+  void GrantWriteFileSystem(int child_id, const std::string& filesystem_id);
   void GrantCreateFileForFileSystem(int child_id,
-                                    const std::string& filesystem_id) override;
-  void GrantCreateReadWriteFileSystem(
-      int child_id,
-      const std::string& filesystem_id) override;
-  void GrantCopyIntoFileSystem(int child_id,
-                               const std::string& filesystem_id) override;
+                                    const std::string& filesystem_id);
+  void GrantCreateReadWriteFileSystem(int child_id,
+                                      const std::string& filesystem_id);
+  void GrantCopyIntoFileSystem(int child_id, const std::string& filesystem_id);
   void GrantDeleteFromFileSystem(int child_id,
-                                 const std::string& filesystem_id) override;
-  void GrantOrigin(int child_id, const url::Origin& origin) override;
-  void GrantScheme(int child_id, const std::string& scheme) override;
-  bool CanReadFile(int child_id, const base::FilePath& file) override;
-  bool CanCreateReadWriteFile(int child_id,
-                              const base::FilePath& file) override;
-  bool CanReadFileSystem(int child_id,
-                         const std::string& filesystem_id) override;
-  bool CanReadWriteFileSystem(int child_id,
-                              const std::string& filesystem_id) override;
-  bool CanCopyIntoFileSystem(int child_id,
-                             const std::string& filesystem_id) override;
-  bool CanDeleteFromFileSystem(int child_id,
-                               const std::string& filesystem_id) override;
-  bool HasWebUIBindings(int child_id) override;
-  void GrantSendMidiSysExMessage(int child_id) override;
-  bool CanAccessDataForOrigin(int child_id, const GURL& url) override;
+                                 const std::string& filesystem_id);
+  void GrantOrigin(int child_id, const url::Origin& origin);
+  void GrantScheme(int child_id, const std::string& scheme);
+  bool CanReadFile(int child_id, const base::FilePath& file);
+  bool CanCreateReadWriteFile(int child_id, const base::FilePath& file);
+  bool CanReadFileSystem(int child_id, const std::string& filesystem_id);
+  bool CanReadWriteFileSystem(int child_id, const std::string& filesystem_id);
+  bool CanCopyIntoFileSystem(int child_id, const std::string& filesystem_id);
+  bool CanDeleteFromFileSystem(int child_id, const std::string& filesystem_id);
+  bool HasWebUIBindings(int child_id);
+  void GrantSendMidiSysExMessage(int child_id);
+  bool CanAccessDataForOrigin(int child_id, const GURL& url);
 
   // Returns if |child_id| can read all of the |files|.
   bool CanReadAllFiles(int child_id, const std::vector<base::FilePath>& files);
@@ -178,9 +166,9 @@ class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
   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);
@@ -200,10 +188,9 @@ class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
   // Grants access permission to the given isolated file system
   // identified by |filesystem_id|.  See comments for
   // ChildProcessSecurityPolicy::GrantReadFileSystem() for more details.
-  void GrantPermissionsForFileSystem(
-      int child_id,
-      const std::string& filesystem_id,
-      int permission);
+  void GrantPermissionsForFileSystem(int child_id,
+                                     const std::string& filesystem_id,
+                                     int permission);
 
   // Determines if certain permissions were granted for a file. |permissions|
   // is an internally defined bit-set. If |child_id| is a worker process,
@@ -221,10 +208,9 @@ class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
 
   // Determines if certain permissions were granted for a file system.
   // |permissions| is an internally defined bit-set.
-  bool HasPermissionsForFileSystem(
-      int child_id,
-      const std::string& filesystem_id,
-      int permission);
+  bool HasPermissionsForFileSystem(int child_id,
+                                   const std::string& filesystem_id,
+                                   int permission);
 
   // You must acquire this lock before reading or writing any members of this
   // class.  You must not block while holding this lock.
@@ -251,9 +237,9 @@ class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
 
   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_