chrome: Remove 10 exit time destructors and 2 static initializers.

chrome/common/metrics_helpers.h

 // Copyright (c) 2011 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_COMMON_METRICS_HELPERS_H_
 #define CHROME_COMMON_METRICS_HELPERS_H_
 #pragma once
@@ skipping 76 matching lines @@
 
   // Return a base64-encoded MD5 hash of the given string.
   static std::string CreateBase64Hash(const std::string& string);
 
   // Get the GMT buildtime for the current binary, expressed in seconds since
   // Januray 1, 1970 GMT.
   // The value is used to identify when a new build is run, so that previous
   // reliability stats, from other builds, can be abandoned.
   static int64 GetBuildTime();
 
-  // Use |extension| in all uploaded appversions in addition to the standard
-  // version string.
-  static void set_version_extension(const std::string& extension) {
-    version_extension_ = extension;
-  }
-
   virtual MetricsLog* AsMetricsLog();
 
  protected:
   class XmlWrapper;
 
   // Returns a string containing the current time.
   // Virtual so that it can be overridden for testing.
   virtual std::string GetCurrentTimeString();
   // Helper class that invokes StartElement from constructor, and EndElement
   // from destructor.
@@ skipping 30 matching lines @@
   // Convenience versions of xmlWriter functions
   void StartElement(const char* name);
   void EndElement();
   void WriteAttribute(const std::string& name, const std::string& value);
   void WriteIntAttribute(const std::string& name, int value);
   void WriteInt64Attribute(const std::string& name, int64 value);
 
   // Write the attributes that are common to every metrics event type.
   void WriteCommonEventAttributes();
 
-  // An extension that is appended to the appversion in each log.
-  static std::string version_extension_;
-
   base::Time start_time_;
   base::Time end_time_;
 
   std::string client_id_;
   std::string session_id_;
   std::string hardware_class_;
 
   // locked_ is true when record has been packed up for sending, and should
   // no longer be written to.  It is only used for sanity checking and is
   // not a real lock.
   bool locked_;
 
   // Isolated to limit the dependency on the XML library for our consumers.
   XmlWrapper* xml_wrapper_;
 
   int num_events_;  // the number of events recorded in this log
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(MetricsLogBase);
 };
 
 // HistogramSender handles the logistics of gathering up available histograms
 // for transmission (such as from renderer to browser, or from browser to UMA
 // upload).  It has several pure virtual functions that are replaced in
 // derived classes to allow the exact lower level transmission mechanism,
 // or error report mechanism, to be replaced.  Since histograms can sit in
 // memory for an extended period of time, and are vulnerable to memory
 // corruption, this class also validates as much rendundancy as it can before
@@ skipping 63 matching lines @@
       const base::Histogram& histogram,
       const base::Histogram::SampleSet& snapshot);
   virtual void InconsistencyDetected(int problem);
   virtual void UniqueInconsistencyDetected(int problem);
   virtual void SnapshotProblemResolved(int amount);
 
   DISALLOW_COPY_AND_ASSIGN(MetricsServiceBase);
 };
 
 #endif  // CHROME_COMMON_METRICS_HELPERS_H_