Convert Pass()→std::move() for Mac build.

sandbox/mac/bootstrap_sandbox.cc

 // Copyright 2014 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 "sandbox/mac/bootstrap_sandbox.h"
 
 #include <servers/bootstrap.h>
 #include <stdint.h>
 #include <unistd.h>
 
@@ skipping 50 matching lines @@
   sandbox->launchd_server_.reset(new LaunchdInterceptionServer(sandbox.get()));
 
   // Check in with launchd to get the receive right for the server that is
   // published in the bootstrap namespace.
   mach_port_t port = MACH_PORT_NULL;
   kern_return_t kr = bootstrap_check_in(bootstrap_port,
       sandbox->server_bootstrap_name().c_str(), &port);
   if (kr != KERN_SUCCESS) {
     BOOTSTRAP_LOG(ERROR, kr)
         << "Failed to bootstrap_check_in the sandbox server.";
-    return null.Pass();
+    return null;
   }
   sandbox->check_in_port_.reset(port);
 
   BootstrapSandbox* __block sandbox_ptr = sandbox.get();
   sandbox->check_in_server_.reset(new base::DispatchSourceMach(
       "org.chromium.sandbox.BootstrapClientManager",
       sandbox->check_in_port_.get(),
       ^{ sandbox_ptr->HandleChildCheckIn(); }));
   sandbox->check_in_server_->Resume();
 
   // Start the sandbox server.
   if (!sandbox->launchd_server_->Initialize(MACH_PORT_NULL))
-    return null.Pass();
+    return null;
 
-  return sandbox.Pass();
+  return sandbox;
 }
 
 // Warning: This function must be safe to call in
 // PreExecDelegate::RunAsyncSafe().
 // static
 bool BootstrapSandbox::ClientCheckIn(mach_port_t sandbox_server_port,
                                      uint64_t sandbox_token,
                                      mach_port_t* new_bootstrap_port) {
   // Create a reply port for the check in message.
   mach_port_t reply_port;
@@ skipping 155 matching lines @@
   } else {
     {
       base::AutoLock lock(lock_);
       sandboxed_processes_.erase(client_pid);
     }
     MACH_LOG(ERROR, kr) << "HandleChildCheckIn mach_msg MACH_SEND_MSG";
   }
 }
 
 }  // namespace sandbox