Remove num_events_ member from MetricsLogBase.

chrome/browser/metrics/metrics_log.cc

 // 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.
 
 #include "chrome/browser/metrics/metrics_log.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 896 matching lines @@
     if (i->typed_count != -1)
       suggestion->set_typed_count(i->typed_count);
     suggestion->set_is_starred(i->starred);
   }
   for (ProvidersInfo::const_iterator i(log.providers_info.begin());
        i != log.providers_info.end(); ++i) {
     OmniboxEventProto::ProviderInfo* provider_info =
         omnibox_event->add_provider_info();
     provider_info->CopyFrom(*i);
   }
-
-  ++num_events_;
 }
 
 void MetricsLog::WriteGoogleUpdateProto(
     const GoogleUpdateMetrics& google_update_metrics) {
 #if defined(GOOGLE_CHROME_BUILD) && defined(OS_WIN)
   SystemProfileProto::GoogleUpdate* google_update =
       uma_proto()->mutable_system_profile()->mutable_google_update();
 
   google_update->set_is_system_install(google_update_metrics.is_system_install);
 
@@ skipping 11 matching lines @@
     ProductDataToProto(google_update_metrics.google_update_data,
                        google_update->mutable_google_update_status());
   }
 
   if (!google_update_metrics.product_data.version.empty()) {
     ProductDataToProto(google_update_metrics.product_data,
                        google_update->mutable_client_status());
   }
 #endif  // defined(GOOGLE_CHROME_BUILD) && defined(OS_WIN)
 }