Remove sysctl-read workarounds

chrome/renderer/renderer_main_platform_delegate_mac.mm

 // Copyright (c) 2009 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/renderer/renderer_main_platform_delegate.h"
 
 #include "base/debug_util.h"
 #include "base/message_loop.h"
 
 #import <Foundation/Foundation.h>
@@ skipping 130 matching lines @@
 bool RendererMainPlatformDelegate::EnableSandbox() {
 
   // TODO(jeremy): Remove BeingDebugged() and CacheSysInfo() calls. They are
   // no longer required since the sandbox now allows sysctl() reads.
 
   // This call doesn't work when the sandbox is enabled, the implementation
   // caches it's return value so we call it here and then future calls will
   // succeed.
   DebugUtil::BeingDebugged();
 
-  // Cache the System info information, since we can't query certain attributes
-  // with the Sandbox enabled.
-  base::SysInfo::CacheSysInfo();
-
   // For the renderer, we give it a custom sandbox to lock down as tight as
   // possible, but still be able to draw.
 
   NSString* sandbox_profile_path =
       [mac_util::MainAppBundle() pathForResource:@"renderer" ofType:@"sb"];
   BOOL is_dir = NO;
   if (![[NSFileManager defaultManager] fileExistsAtPath:sandbox_profile_path
                                             isDirectory:&is_dir] || is_dir) {
     LOG(ERROR) << "Failed to find the sandbox profile on disk";
     return false;
   }
 
   const char *sandbox_profile = [sandbox_profile_path fileSystemRepresentation];
   char* error_buff = NULL;
   int error = sandbox_init(sandbox_profile, SANDBOX_NAMED_EXTERNAL,
                            &error_buff);
   bool success = (error == 0 && error_buff == NULL);
   if (error == -1) {
     LOG(ERROR) << "Failed to Initialize Sandbox: " << error_buff;
   }
   sandbox_free_error(error_buff);
   return success;
 }
 
 void RendererMainPlatformDelegate::RunSandboxTests() {
   // TODO(port): Run sandbox unit test here.
 }