Call SetApplicationIsDaemon() in V2 sandbox.

content/common/sandbox_mac.mm

 // Copyright (c) 2012 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/common/sandbox_mac.h"
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 152 matching lines @@
   }
 
   if (sandbox_type == SANDBOX_TYPE_RENDERER) {
     // Now disconnect from WindowServer, after all objects have been warmed up.
     // Shutting down the connection requires connecting to WindowServer,
     // so do this before actually engaging the sandbox. This may cause two log
     // messages to be printed to the system logger on certain OS versions.
     CGSSetDenyWindowServerConnections(true);
     CGSShutdownServerConnections();
 
-    // Allow the process to continue without a LaunchServices ASN. The
-    // INIT_Process function in HIServices will abort if it cannot connect to
-    // launchservicesd to get an ASN. By setting this flag, HIServices skips
-    // that.
-    SetApplicationIsDaemon(true);
+    LaunchServicesNotAvailable();
   }
 }
 
 // Load the appropriate template for the given sandbox type.
 // Returns the template as a string or an empty string on error.
 std::string LoadSandboxTemplate(int sandbox_type) {
   // We use a custom sandbox definition to lock things down as tightly as
   // possible.
   int sandbox_profile_resource_id = -1;
 
@@ skipping 122 matching lines @@
   base::FilePath::CharType canonical_path[MAXPATHLEN];
   if (HANDLE_EINTR(fcntl(fd.get(), F_GETPATH, canonical_path)) != 0) {
     DPLOG(FATAL) << "GetCanonicalSandboxPath() failed for: "
                  << path.value();
     return path;
   }
 
   return base::FilePath(canonical_path);
 }
 
+// static
+void Sandbox::LaunchServicesNotAvailable() {
+  // Allow the process to continue without a LaunchServices ASN. The
+  // INIT_Process function in HIServices will abort if it cannot connect to
+  // launchservicesd to get an ASN. By setting this flag, HIServices skips
+  // that.
+  SetApplicationIsDaemon(true);

[Robert Sesek, 2017/06/16 19:28:59]

I think this call should just move to
https://cs.chromium.org/chromium/src/content/renderer/renderer_main_platform_....

[Greg K, 2017/06/16 20:32:11]

Done.

+}
+
 }  // namespace content