Call SetApplicationIsDaemon() in V2 sandbox.

content/common/sandbox_init_mac.cc

Index: content/common/sandbox_init_mac.cc
diff --git a/content/common/sandbox_init_mac.cc b/content/common/sandbox_init_mac.cc
index b63600becf012d364ea8284cae2e19c2b1b0c3a3..3cb3e29deb50ec410aa5f3a2f916953bd73c6579 100644
--- a/content/common/sandbox_init_mac.cc
+++ b/content/common/sandbox_init_mac.cc
@@ -35,13 +35,20 @@ bool GetSandboxTypeFromCommandLine(int* sandbox_type,
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
+  std::string process_type =
+      command_line.GetSwitchValueASCII(switches::kProcessType);
+
   if (command_line.HasSwitch(switches::kNoSandbox))
     return false;
-  if (command_line.HasSwitch(switches::kV2SandboxedEnabled))
+  if (command_line.HasSwitch(switches::kV2SandboxedEnabled)) {
     CHECK(sandbox::Seatbelt::IsSandboxed());
+    if (process_type == switches::kRendererProcess) {
+      Sandbox::LaunchServicesNotAvailable();
+    }
+    // Do not enable the sandbox if V2 is already enabled.
+    return false;
+  }
 
-  std::string process_type =
-      command_line.GetSwitchValueASCII(switches::kProcessType);
   if (process_type.empty()) {
     // Browser process isn't sandboxed.
     return false;