Pull ChildProcessSecurityPolicyImpl out to shared subfolder

content/browser/child_process_security_policy_impl.h

Index: content/browser/child_process_security_policy_impl.h
diff --git a/content/browser/child_process_security_policy_impl.h b/content/browser/child_process_security_policy_impl.h
deleted file mode 100644
index 271e69c0acd110ed0e3d74f7b1d0c8512300973f..0000000000000000000000000000000000000000
--- a/content/browser/child_process_security_policy_impl.h
+++ /dev/null
@@ -1,259 +0,0 @@
-// 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_
-
-#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
-    : NON_EXPORTED_BASE(public ChildProcessSecurityPolicy) {
- 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;
-  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;
-  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;
-
-  // Returns if |child_id| can read all of the |files|.
-  bool CanReadAllFiles(int child_id, const std::vector<base::FilePath>& files);
-
-  // Pseudo schemes are treated differently than other schemes because they
-  // cannot be requested like normal URLs.  There is no mechanism for revoking
-  // pseudo schemes.
-  void RegisterPseudoScheme(const std::string& scheme);
-
-  // Returns true iff |scheme| has been registered as pseudo scheme.
-  bool IsPseudoScheme(const std::string& scheme);
-
-  // Upon creation, child processes should register themselves by calling this
-  // this method exactly once.
-  void Add(int child_id);
-
-  // Upon creation, worker thread child processes should register themselves by
-  // calling this this method exactly once. Workers that are not shared will
-  // inherit permissions from their parent renderer process identified with
-  // |main_render_process_id|.
-  void AddWorker(int worker_child_id, int main_render_process_id);
-
-  // Upon destruction, child processess should unregister themselves by caling
-  // this method exactly once.
-  void Remove(int child_id);
-
-  // Whenever the browser processes commands the child process to request a URL,
-  // it should call this method to grant the child process the capability to
-  // request the URL, along with permission to request all URLs of the same
-  // scheme.
-  void GrantRequestURL(int child_id, const GURL& url);
-
-  // Whenever the browser process drops a file icon on a tab, it should call
-  // this method to grant the child process the capability to request this one
-  // file:// URL, but not all urls of the file:// scheme.
-  void GrantRequestSpecificFileURL(int child_id, const GURL& url);
-
-  // Revokes all permissions granted to the given file.
-  void RevokeAllPermissionsForFile(int child_id, const base::FilePath& file);
-
-  // Grant the child process the ability to use Web UI Bindings.
-  void GrantWebUIBindings(int child_id);
-
-  // Grant the child process the ability to read raw cookies.
-  void GrantReadRawCookies(int child_id);
-
-  // Revoke read raw cookies permission.
-  void RevokeReadRawCookies(int child_id);
-
-  // Before servicing a child process's request for a URL, the browser should
-  // call this method to determine whether the process has the capability to
-  // request the URL.
-  bool CanRequestURL(int child_id, const GURL& url);
-
-  // Whether the process is allowed to commit a document from the given URL.
-  // This is more restrictive than CanRequestURL, since CanRequestURL allows
-  // requests that might lead to cross-process navigations or external protocol
-  // handlers.
-  bool CanCommitURL(int child_id, const GURL& url);
-
-  // Explicit permissions checks for FileSystemURL specified files.
-  bool CanReadFileSystemFile(int child_id, const storage::FileSystemURL& url);
-  bool CanWriteFileSystemFile(int child_id, const storage::FileSystemURL& url);
-  bool CanCreateFileSystemFile(int child_id, const storage::FileSystemURL& url);
-  bool CanCreateReadWriteFileSystemFile(int child_id,
-                                        const storage::FileSystemURL& url);
-  bool CanCopyIntoFileSystemFile(int child_id,
-                                 const storage::FileSystemURL& url);
-  bool CanDeleteFileSystemFile(int child_id, const storage::FileSystemURL& url);
-
-  // Returns true if the specified child_id has been granted ReadRawCookies.
-  bool CanReadRawCookies(int child_id);
-
-  // Sets the process as only permitted to use and see the cookies for the
-  // given origin.
-  // Origin lock is applied only if the --site-per-process flag is used.
-  void LockToOrigin(int child_id, const GURL& gurl);
-
-  // Register FileSystem type and permission policy which should be used
-  // for the type.  The |policy| must be a bitwise-or'd value of
-  // storage::FilePermissionPolicy.
-  void RegisterFileSystemPermissionPolicy(storage::FileSystemType type,
-                                          int policy);
-
-  // Returns true if sending system exclusive messages is allowed.
-  bool CanSendMidiSysExMessage(int child_id);
-
- private:
-  friend class ChildProcessSecurityPolicyInProcessBrowserTest;
-  friend class ChildProcessSecurityPolicyTest;
-  FRIEND_TEST_ALL_PREFIXES(ChildProcessSecurityPolicyInProcessBrowserTest,
-                           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>;
-
-  // 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);
-
-  // Grant a particular permission set for a file. |permissions| is an
-  // internally defined bit-set.
-  void GrantPermissionsForFile(int child_id,
-                               const base::FilePath& file,
-                               int permissions);
-
-  // 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);
-
-  // Determines if certain permissions were granted for a file. |permissions|
-  // is an internally defined bit-set. If |child_id| is a worker process,
-  // this returns true if either the worker process or its parent renderer
-  // has permissions for the file.
-  bool HasPermissionsForFile(int child_id,
-                             const base::FilePath& file,
-                             int permissions);
-
-  // Determines if certain permissions were granted for a file in FileSystem
-  // API. |permissions| is an internally defined bit-set.
-  bool HasPermissionsForFileSystemFile(int child_id,
-                                       const storage::FileSystemURL& url,
-                                       int permissions);
-
-  // 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);
-
-  // You must acquire this lock before reading or writing any members of this
-  // class.  You must not block while holding this lock.
-  base::Lock lock_;
-
-  // These schemes are white-listed for all child processes.  This set is
-  // protected by |lock_|.
-  SchemeSet web_safe_schemes_;
-
-  // These schemes do not actually represent retrievable URLs.  For example,
-  // the the URLs in the "about" scheme are aliases to other URLs.  This set is
-  // protected by |lock_|.
-  SchemeSet pseudo_schemes_;
-
-  // This map holds a SecurityState for each child process.  The key for the
-  // map is the ID of the ChildProcessHost.  The SecurityState objects are
-  // 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);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_CHILD_PROCESS_SECURITY_POLICY_IMPL_H_