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

content/browser/gpu/gpu_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/gpu/gpu_process_host.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/memory/ref_counted.h"
@@ skipping 501 matching lines @@
     SendOutstandingReplies();
     gpu_enabled_ = false;
     return false;
   }
 
   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
 
   CommandLine::StringType gpu_launcher =
       browser_command_line.GetSwitchValueNative(switches::kGpuLauncher);
 
-  FilePath exe_path = ChildProcessHost::GetChildPath(gpu_launcher.empty());
+#if defined(OS_LINUX)
+  int child_flags = gpu_launcher.empty() ? ChildProcessHost::CHILD_ALLOW_SELF :
+                                           ChildProcessHost::CHILD_NORMAL;
+#else
+  int child_flags = ChildProcessHost::CHILD_NORMAL;
+#endif
+
+  FilePath exe_path = ChildProcessHost::GetChildPath(child_flags);
   if (exe_path.empty())
     return false;
 
   CommandLine* cmd_line = new CommandLine(exe_path);
   cmd_line->AppendSwitchASCII(switches::kProcessType, switches::kGpuProcess);
   cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id());
 
   // Propagate relevant command line switches.
   static const char* const kSwitchNames[] = {
     switches::kDisableBreakpad,
@@ skipping 64 matching lines @@
   scoped_ptr<EstablishChannelCallback> wrapped_callback(callback);
   wrapped_callback->Run(channel_handle, renderer_process_for_gpu, gpu_info);
 }
 
 void GpuProcessHost::CreateCommandBufferError(
     CreateCommandBufferCallback* callback, int32 route_id) {
   scoped_ptr<GpuProcessHost::CreateCommandBufferCallback>
     wrapped_callback(callback);
   callback->Run(route_id);
 }