Reland 121057 - Use PluginInstaller to update outdated plug-ins.

Original review at http://codereview.chromium.org/9107038/.

[email protected]
BUG=92796


Review URL: http://codereview.chromium.org/9372020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@121239 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index 327f2f5..1649487 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -534,8 +534,8 @@
 
 // Notifies when a plugin couldn't be loaded because it's outdated.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_BlockedOutdatedPlugin,
-                    string16, /* name */
-                    GURL      /* update_url */)
+                    int /* placeholder ID */,
+                    std::string /* plug-in group identifier */)
 
 // Notifies when a plugin couldn't be loaded because it requires
 // user authorization.