[UMA] Rip out some XML logging code.

chrome/browser/metrics/metrics_log.h

 // Copyright (c) 2012 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.
 
 // This file defines a set of user experience metrics data recorded by
 // the MetricsService.  This is the unit of data that is sent to the server.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_LOG_H_
 #define CHROME_BROWSER_METRICS_METRICS_LOG_H_
 
@@ skipping 152 matching lines @@
 
   // Within the stability group, write required attributes.
   void WriteRequiredStabilityAttributes(PrefService* pref);
 
   // Within the stability group, write attributes that need to be updated asap
   // and can't be delayed until the user decides to restart chromium.
   // Delaying these stats would bias metrics away from happy long lived
   // chromium processes (ones that don't crash, and keep on running).
   void WriteRealtimeStabilityAttributes(PrefService* pref);
 
-  // Writes the list of installed plugins.  If |write_as_xml| is true, writes
-  // the XML version.  Otherwise, writes the protobuf version.
-  void WritePluginList(
-      const std::vector<webkit::WebPluginInfo>& plugin_list,
-      bool write_as_xml);
-
-  // Within the profile group, write basic install info including appversion.
-  void WriteInstallElement();
+  // Writes the list of installed plugins.
+  void WritePluginList(const std::vector<webkit::WebPluginInfo>& plugin_list);
 
   // Writes all profile metrics. This invokes WriteProfileMetrics for each key
   // in all_profiles_metrics that starts with kProfilePrefix.
   void WriteAllProfilesMetrics(
       const base::DictionaryValue& all_profiles_metrics);
 
   // Writes metrics for the profile identified by key. This writes all
   // key/value pairs in profile_metrics.
   void WriteProfileMetrics(const std::string& key,
                            const base::DictionaryValue& profile_metrics);
@@ skipping 17 matching lines @@
   metrics::PerfProvider perf_provider_;
 #endif
 
   // Bluetooth Adapter instance for collecting information about paired devices.
   scoped_refptr<device::BluetoothAdapter> adapter_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsLog);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_LOG_H_