NaCl integration

chrome/common/render_messages_internal.h

Index: chrome/common/render_messages_internal.h
===================================================================
--- chrome/common/render_messages_internal.h	(revision 26592)
+++ chrome/common/render_messages_internal.h	(working copy)
@@ -21,6 +21,7 @@
 #include "base/values.h"
 #include "chrome/common/css_colors.h"
 #include "chrome/common/extensions/update_manifest.h"
+#include "chrome/common/nacl_types.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/common/transport_dib.h"
 #include "chrome/common/view_types.h"
@@ -1079,6 +1080,14 @@
                               IPC::ChannelHandle /* handle to channel */,
                               WebPluginInfo /* info */)
 
+  // A renderer sends this to the browser process when it wants to start
+  // a new instance of the Native Client process. The browser will launch
+  // the process and return a handle to an IMC channel.
+  IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_LaunchNaCl,
+                              int /* channel number, usually 5 */,
+                              nacl::FileDescriptor /* handle - one side
+                                                      of a socket pair */)
+
 #if defined(OS_LINUX)
   // A renderer sends this when it needs a browser-side widget for
   // hosting a windowed plugin. id is the XID of the plugin window, for which