Update from https://crrev.com/306655

sandbox/linux/syscall_broker/broker_process.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 SANDBOX_LINUX_SERVICES_BROKER_PROCESS_H_
 #define SANDBOX_LINUX_SERVICES_BROKER_PROCESS_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/pickle.h"
 #include "base/process/process.h"
 #include "sandbox/linux/syscall_broker/broker_policy.h"
 #include "sandbox/sandbox_export.h"
 
 namespace sandbox {
 
 namespace syscall_broker {
 
 class BrokerClient;
+class BrokerFilePermission;
 
 // Create a new "broker" process to which we can send requests via an IPC
 // channel by forking the current process.
 // This is a low level IPC mechanism that is suitable to be called from a
 // signal handler.
 // A process would typically create a broker process before entering
 // sandboxing.
 // 1. BrokerProcess open_broker(read_whitelist, write_whitelist);
 // 2. CHECK(open_broker.Init(NULL));
 // 3. Enable sandbox.
 // 4. Use open_broker.Open() to open files.
 class SANDBOX_EXPORT BrokerProcess {
  public:
   // |denied_errno| is the error code returned when methods such as Open()
   // or Access() are invoked on a file which is not in the whitelist. EACCESS
   // would be a typical value.
   // |allowed_r_files| and |allowed_w_files| are white lists of files that can
   // be opened later via the Open() API, respectively for reading and writing.
   // A file available read-write should be listed in both.
   // |fast_check_in_client| and |quiet_failures_for_tests| are reserved for
   // unit tests, don't use it.
-  BrokerProcess(int denied_errno,
-                const std::vector<std::string>& allowed_r_files,
-                const std::vector<std::string>& allowed_w_files,
-                bool fast_check_in_client = true,
-                bool quiet_failures_for_tests = false);
+
+  BrokerProcess(
+      int denied_errno,
+      const std::vector<syscall_broker::BrokerFilePermission>& permissions,
+      bool fast_check_in_client = true,
+      bool quiet_failures_for_tests = false);
+
   ~BrokerProcess();
   // Will initialize the broker process. There should be no threads at this
   // point, since we need to fork().
   // broker_process_init_callback will be called in the new broker process,
   // after fork() returns.
   bool Init(const base::Callback<bool(void)>& broker_process_init_callback);
 
   // Can be used in place of access(). Will be async signal safe.
   // X_OK will always return an error in practice since the broker process
   // doesn't support execute permissions.
@@ skipping 22 matching lines @@
   scoped_ptr<syscall_broker::BrokerClient> broker_client_;
 
   DISALLOW_COPY_AND_ASSIGN(BrokerProcess);
 };
 
 }  // namespace syscall_broker
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_LINUX_SERVICES_BROKER_PROCESS_H_