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

content/browser/utility_process_host.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 "content/browser/utility_process_host.h"
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/content_browser_client.h"
@@ skipping 43 matching lines @@
   return is_batch_mode_;
 }
 
 void UtilityProcessHost::EndBatchMode()  {
   CHECK(is_batch_mode_);
   is_batch_mode_ = false;
   Send(new UtilityMsg_BatchMode_Finished());
 }
 
 FilePath UtilityProcessHost::GetUtilityProcessCmd() {
-  return GetChildPath(true);
+#if defined(OS_LINUX)
+  int flags = CHILD_ALLOW_SELF;
+#else
+  int flags = CHILD_NORMAL;
+#endif
+  return GetChildPath(flags);
 }
 
 bool UtilityProcessHost::StartProcess() {
   if (started_)
     return true;
   started_ = true;
 
   if (is_batch_mode_)
     return true;
   // Name must be set or metrics_service will crash in any test which
@@ skipping 59 matching lines @@
 
 void UtilityProcessHost::OnProcessCrashed(int exit_code) {
   BrowserThread::PostTask(
       client_thread_id_, FROM_HERE,
       NewRunnableMethod(client_.get(), &Client::OnProcessCrashed, exit_code));
 }
 
 bool UtilityProcessHost::CanShutdown() {
   return true;
 }