Give plug-in processes an executable heap and disable PIE/ASLR for Native

chrome/browser/service/service_process_control.cc

 // 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/browser/service/service_process_control.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/process_util.h"
 #include "base/stl_util.h"
@@ skipping 100 matching lines @@
   }
 
   // If the service process is already running then connects to it.
   if (CheckServiceProcessReady()) {
     ConnectInternal();
     return;
   }
 
   // A service process should have a different mechanism for starting, but now
   // we start it as if it is a child process.
-  FilePath exe_path = ChildProcessHost::GetChildPath(true);
+
+#if defined(OS_LINUX)
+  int flags = ChildProcessHost::CHILD_ALLOW_SELF;
+#else
+  int flags = ChildProcessHost::CHILD_NORMAL;
+#endif
+
+  FilePath exe_path = ChildProcessHost::GetChildPath(flags);
   if (exe_path.empty()) {
     NOTREACHED() << "Unable to get service process binary name.";
   }
 
   CommandLine* cmd_line = new CommandLine(exe_path);
   cmd_line->AppendSwitchASCII(switches::kProcessType,
                               switches::kServiceProcess);
 
   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
   FilePath user_data_dir =
@@ skipping 187 matching lines @@
   if (base::LaunchProcess(*cmd_line_, options, NULL)) {
     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                             NewRunnableMethod(this,
                                               &Launcher::DoDetectLaunched));
   } else {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                             NewRunnableMethod(this, &Launcher::Notify));
   }
 }
 #endif  // !OS_MACOSX