Fix layout test failures. Looks like keying the plugins based on OriginalFil...

chrome/browser/metrics_log.cc

 // Copyright (c) 2006-2008 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_log.h"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/file_version_info.h"
 #include "base/md5.h"
@@ skipping 440 matching lines @@
 
   OPEN_ELEMENT_FOR_SCOPE("plugins");
 
   for (std::vector<WebPluginInfo>::const_iterator iter = plugin_list.begin();
        iter != plugin_list.end(); ++iter) {
     OPEN_ELEMENT_FOR_SCOPE("plugin");
 
     // Plugin name and filename are hashed for the privacy of those
     // testing unreleased new extensions.
     WriteAttribute("name", CreateBase64Hash(WideToUTF8(iter->name)));
-    WriteAttribute("filename", CreateBase64Hash(iter->filename));
+    WriteAttribute("filename",
+        CreateBase64Hash(WideToUTF8(iter->path.BaseName().ToWStringHack())));
     WriteAttribute("version", WideToUTF8(iter->version));
   }
 }
 
 void MetricsLog::WriteInstallElement() {
   OPEN_ELEMENT_FOR_SCOPE("install");
   WriteAttribute("installdate", GetInstallDate());
   WriteIntAttribute("buildid", 0);  // We're using appversion instead.
   WriteAttribute("appversion", GetVersionString());
 }
@@ skipping 213 matching lines @@
 
   for (size_t i = 0; i < histogram.bucket_count(); i++) {
     if (snapshot.counts(i)) {
       OPEN_ELEMENT_FOR_SCOPE("histogrambucket");
       WriteIntAttribute("min", histogram.ranges(i));
       WriteIntAttribute("max", histogram.ranges(i + 1));
       WriteIntAttribute("count", snapshot.counts(i));
     }
   }
 }