mac: Remove some 10.6-SDK-only sandbox code.

sandbox/mac/xpc_message_server_unittest.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/xpc_message_server.h"
 
 #include <Block.h>
 #include <mach/mach.h>
 #include <servers/bootstrap.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_mach_port.h"
 #include "base/process/kill.h"
 #include "base/test/multiprocess_test.h"
 #include "sandbox/mac/xpc.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/multiprocess_func_list.h"
 
 namespace sandbox {
 
 class XPCMessageServerTest : public testing::Test {
  public:
   void SetUp() override {
     if (!RunXPCTest())
       return;
-    ASSERT_TRUE(InitializeXPC());
   }
 
   bool RunXPCTest() {
     return base::mac::IsOSMountainLionOrLater();
   }
 };
 
 // A MessageDemuxer that manages a test server and executes a block for every
 // message.
 class BlockDemuxer : public MessageDemuxer {
@@ skipping 133 matching lines @@
   int exit_code = -1;
   ASSERT_TRUE(child.WaitForExit(&exit_code));
   EXPECT_EQ(0, exit_code);
 
   EXPECT_EQ(child.Pid(), sender_pid);
   EXPECT_EQ(child.Pid(), child_pid);
   EXPECT_EQ(sender_pid, child_pid);
 }
 
 MULTIPROCESS_TEST_MAIN(GetSenderPID) {
-  CHECK(sandbox::InitializeXPC());
-
   mach_port_t port = MACH_PORT_NULL;
   CHECK_EQ(KERN_SUCCESS, bootstrap_look_up(bootstrap_port, kGetSenderPID,
       &port));
   base::mac::ScopedMachSendRight scoped_port(port);
 
   xpc_pipe_t pipe = xpc_pipe_create_from_port(port, 0);
 
   xpc_object_t message = xpc_dictionary_create(NULL, NULL, 0);
   xpc_dictionary_set_int64(message, "child_pid", getpid());
   CHECK_EQ(0, xpc_pipe_simpleroutine(pipe, message));
@@ skipping 28 matching lines @@
   ASSERT_EQ(0, xpc_pipe_routine(first.pipe(), request, &reply));
 
   EXPECT_EQ(1, xpc_dictionary_get_int64(reply, "seen_by_first"));
   EXPECT_EQ(2, xpc_dictionary_get_int64(reply, "seen_by_second"));
 
   xpc_release(request);
   xpc_release(reply);
 }
 
 }  // namespace sandbox