Make sure only the right processes can access the profile path.

chrome/common/chrome_paths_mac.mm

 // Copyright (c) 2011 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 "chrome/common/chrome_paths_internal.h"
 
 #import <Foundation/Foundation.h>
 #include <string.h>
 
 #include <string>
 
 #include "base/base_paths.h"
 #include "base/logging.h"
 #import "base/mac/foundation_util.h"
 #import "base/mac/mac_util.h"
 #import "base/mac/scoped_nsautorelease_pool.h"
 #include "base/path_service.h"
 #include "chrome/common/chrome_constants.h"
+#include "content/public/common/content_switches.h"
 
 namespace {
 
 const FilePath* g_override_versioned_directory = NULL;
 
 // Return a retained (NOT autoreleased) NSBundle* as the internal
 // implementation of chrome::OuterAppBundle(), which should be the only
 // caller.
 NSBundle* OuterAppBundleInternal() {
   base::mac::ScopedNSAutoreleasePool pool;
@@ skipping 163 matching lines @@
   return base::mac::GetLocalDirectory(NSLibraryDirectory, result);
 }
 
 NSBundle* OuterAppBundle() {
   // Cache this. Foundation leaks it anyway, and this should be the only call
   // to OuterAppBundleInternal().
   static NSBundle* bundle = OuterAppBundleInternal();
   return bundle;
 }
 
+bool ProcessNeedsProfileDir(const std::string& process_type) {
+  // For now we have no reason to forbid this on other MacOS as we don't
+  // have the roaming profile troubles there.
+  return true;
+}
+
 }  // namespace chrome