NaCl: enable meta-based validation for shared libraries.

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index 584d9a7ee14b4541758c0ff31c7ce00a43dbc087..f7662cf0b1367b0764a638a473fdeeec85ab72db 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -612,11 +612,12 @@ IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_NaClErrorStatus,
 
 // A renderer sends this to the browser process when it wants to
 // open a NaCl executable file from an installed application directory.
-IPC_SYNC_MESSAGE_CONTROL2_2(ChromeViewHostMsg_OpenNaClExecutable,
+IPC_SYNC_MESSAGE_CONTROL2_3(ChromeViewHostMsg_OpenNaClExecutable,
                             int /* render_view_id */,
                             GURL /* URL of NaCl executable file */,
-                            base::FilePath /* absolute path to opened file */,
-                            IPC::PlatformFileForTransit /* output file */)
+                            IPC::PlatformFileForTransit /* output file */,
+                            uint64_t /* file_token_lo */,
+                            uint64_t /* file_token_hi */)
 
 // Notification that the page has an OpenSearch description document
 // associated with it.