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

chrome/common/metrics_helpers.cc

 // 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.
 
 #include "chrome/common/metrics_helpers.h"
 
 #include "base/base64.h"
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/md5.h"
@@ skipping 71 matching lines @@
   xmlDocPtr doc() const { return doc_; }
   xmlTextWriterPtr writer() const { return writer_; }
   xmlBufferPtr buffer() const { return buffer_; }
 
  private:
   xmlDocPtr doc_;
   xmlBufferPtr buffer_;
   xmlTextWriterPtr writer_;
 };
 
-// static
-std::string MetricsLogBase::version_extension_;
-
 MetricsLogBase::MetricsLogBase(const std::string& client_id, int session_id,
                                const std::string& version_string)
     : start_time_(Time::Now()),
       client_id_(client_id),
       session_id_(base::IntToString(session_id)),
       locked_(false),
       xml_wrapper_(new XmlWrapper),
       num_events_(0) {
 
   StartElement("log");
@@ skipping 423 matching lines @@
     snapshot.Subtract(*already_logged);
   }
 
   // Snapshot now contains only a delta to what we've already_logged.
   if (snapshot.redundant_count() > 0) {
     TransmitHistogramDelta(histogram, snapshot);
     // Add new data into our running total.
     already_logged->Add(snapshot);
   }
 }