Fixed file_version_info so that it finds Mac values correctly.

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index 687d3f4e479f9b07761c8f6f13dd6f87ca739ad8..f09eef102b8a1dfb630759a374e69fa86ca062a0 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -1344,11 +1344,6 @@ bool Extension::InitFromValue(const DictionaryValue& source, bool require_key,
     }
 
     chrome::VersionInfo current_version_info;
-    if (!current_version_info.is_valid()) {
-      NOTREACHED();
-      return false;
-    }
-
     scoped_ptr<Version> current_version(
         Version::GetVersionFromString(current_version_info.Version()));
     if (!current_version.get()) {