Update from https://crrev.com/315085

sandbox/linux/services/namespace_sandbox_unittest.cc

 // Copyright 2015 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/linux/services/namespace_sandbox.h"
 
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>
 
@@ skipping 72 matching lines @@
 }
 
 MULTIPROCESS_TEST_MAIN(ChrootMe) {
   CHECK(!RootDirectoryIsEmpty());
   CHECK(sandbox::Credentials::MoveToNewUserNS());
   CHECK(sandbox::Credentials::DropFileSystemAccess());
   CHECK(RootDirectoryIsEmpty());
   return 0;
 }
 
-TEST_F(NamespaceSandboxTest, ChrootAndDropCapabilities) {
+// Temporarily disabled on ASAN due to crbug.com/451603.
+TEST_F(NamespaceSandboxTest, DISABLE_ON_ASAN(ChrootAndDropCapabilities)) {
   TestProc("ChrootMe");
 }
 
 MULTIPROCESS_TEST_MAIN(NestedNamespaceSandbox) {
   base::FileHandleMappingVector fds_to_remap = {
       std::make_pair(STDOUT_FILENO, STDOUT_FILENO),
       std::make_pair(STDERR_FILENO, STDERR_FILENO),
   };
   base::LaunchOptions launch_options;
   launch_options.fds_to_remap = &fds_to_remap;
   base::Process process = NamespaceSandbox::LaunchProcess(
       base::CommandLine(base::FilePath("/bin/true")), launch_options);
   CHECK(process.IsValid());
 
   const int kDummyExitCode = 42;
   int exit_code = kDummyExitCode;
   CHECK(process.WaitForExit(&exit_code));
   CHECK_EQ(0, exit_code);
   return 0;
 }
 
 TEST_F(NamespaceSandboxTest, NestedNamespaceSandbox) {
   TestProc("NestedNamespaceSandbox");
 }
 
 }  // namespace
 
 }  // namespace sandbox