Fixed file_version_info so that it finds Mac values correctly.

chrome/browser/metrics/metrics_log.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/metrics/metrics_log.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 53 matching lines @@
     return pref->GetString(prefs::kMetricsClientIDTimestamp);
   } else {
     NOTREACHED();
     return "0";
   }
 }
 
 // static
 std::string MetricsLog::GetVersionString() {
   chrome::VersionInfo version_info;
-  if (!version_info.is_valid()) {
-    NOTREACHED() << "Unable to retrieve version info.";
-    return std::string();
-  }
-
   std::string version = version_info.Version();
   if (!version_extension_.empty())
     version += version_extension_;
   if (!version_info.IsOfficialBuild())
     version.append("-devel");
   return version;
 }
 
 MetricsLog* MetricsLog::AsMetricsLog() {
   return this;
@@ skipping 358 matching lines @@
       const std::string result_type(AutocompleteMatch::TypeToString(i->type));
       if (!result_type.empty())
         WriteAttribute("resulttype", result_type);
       WriteIntAttribute("relevance", i->relevance);
       WriteIntAttribute("isstarred", i->starred ? 1 : 0);
     }
   }
 
   ++num_events_;
 }