Re-land: add support for blocking out-of-date plug-ins on Linux....

webkit/plugins/npapi/plugin_group.cc

Index: webkit/plugins/npapi/plugin_group.cc
===================================================================
--- webkit/plugins/npapi/plugin_group.cc	(revision 70986)
+++ webkit/plugins/npapi/plugin_group.cc	(working copy)
@@ -181,8 +181,7 @@
   }
 
   // There's at least one version range, the plugin's version must be in it.
-  scoped_ptr<Version> plugin_version(
-      Version::GetVersionFromString(UTF16ToASCII(plugin.version)));
+  scoped_ptr<Version> plugin_version(CreateVersionFromString(plugin.version));
   if (plugin_version.get() == NULL) {
     // No version could be extracted, assume we don't match the range.
     return false;
@@ -207,6 +206,7 @@
   std::replace(version.begin(), version.end(), 'r', '.');
   std::replace(version.begin(), version.end(), ',', '.');
   std::replace(version.begin(), version.end(), '(', '.');
+  std::replace(version.begin(), version.end(), '_', '.');
 
   return Version::GetVersionFromString(WideToASCII(version));
 }