Implement the V2 sandbox in the process launcher.

content/browser/sandbox_parameters_mac.mm

+// Copyright 2017 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 "content/browser/sandbox_parameters_mac.h"
+
+#include <unistd.h>
+
+#include "base/command_line.h"
+#include "base/files/file_util.h"
+#include "base/logging.h"
+#include "base/mac/bundle_locations.h"
+#include "base/mac/mac_util.h"
+#include "base/strings/sys_string_conversions.h"
+#include "content/common/sandbox_mac.h"
+#include "content/public/browser/content_browser_client.h"
+#include "content/public/common/content_client.h"
+#include "content/public/common/content_switches.h"
+#include "sandbox/mac/seatbelt_exec.h"
+
+namespace content {
+
+void SetupRendererSandboxParameters(sandbox::SeatbeltExecClient* client) {
+  const base::CommandLine* command_line =
+      base::CommandLine::ForCurrentProcess();
+  bool enable_logging =
+      command_line->HasSwitch(switches::kEnableSandboxLogging);
+
+  CHECK(client->SetBooleanParameter(Sandbox::kSandboxEnableLogging,
+                                    enable_logging));
+  CHECK(client->SetBooleanParameter(Sandbox::kSandboxDisableDenialLogging,
+                                    !enable_logging));
+
+  std::string homedir =
+      Sandbox::GetCanonicalSandboxPath(base::GetHomeDir()).value();
+  CHECK(client->SetParameter(Sandbox::kSandboxHomedirAsLiteral, homedir));
+
+  bool elcap_or_later = base::mac::IsAtLeastOS10_11();
+  CHECK(client->SetBooleanParameter(Sandbox::kSandboxElCapOrLater,
+                                    elcap_or_later));
+
+  std::string bundle_path =
+      Sandbox::GetCanonicalSandboxPath(base::mac::MainBundlePath()).value();
+  CHECK(client->SetParameter(Sandbox::kSandboxBundlePath, bundle_path));
+
+  NSBundle* bundle = base::mac::OuterBundle();
+  std::string bundle_id = base::SysNSStringToUTF8([bundle bundleIdentifier]);
+  CHECK(client->SetParameter(Sandbox::kSandboxChromeBundleId, bundle_id));
+
+  CHECK(client->SetParameter(Sandbox::kSandboxChromePID,
+                             std::to_string(getpid())));
+
+  std::string logging_path =
+      GetContentClient()->browser()->GetLoggingFileName().value();
+  CHECK(client->SetParameter(Sandbox::kSandboxLoggingPathAsLiteral,
+                             logging_path));
+
+#if defined(COMPONENT_BUILD)
+  // For component builds, allow access to one directory level higher, where
+  // the dylibs live.
+  base::FilePath bundle_path = base::mac::MainBundlePath();
+  base::FilePath component_path = bundle_path.Append("..");
+  std::string component_path_canonical =
+      Sandbox::GetCanonicalSandboxPath(component_path).value();
+  CHECK(client->SetParameter(Sandbox::kSandboxComponentPath,
+                             component_path_canonical));
+#endif
+}
+
+}  // namespace content