Delete some unused code found by -Wunused-function

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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 224 matching lines @@
     tracked_object->set_exec_count(death_data.count);
     tracked_object->set_exec_time_total(death_data.run_duration_sum);
     tracked_object->set_exec_time_sampled(death_data.run_duration_sample);
     tracked_object->set_queue_time_total(death_data.queue_duration_sum);
     tracked_object->set_queue_time_sampled(death_data.queue_duration_sample);
     tracked_object->set_process_type(AsProtobufProcessType(process_type));
     tracked_object->set_process_id(profiler_data.process_id);
   }
 }
 
+#if defined(GOOGLE_CHROME_BUILD) && defined(OS_WIN)
 void ProductDataToProto(const GoogleUpdateSettings::ProductData& product_data,
                         ProductInfo* product_info) {
   product_info->set_version(product_data.version);
   product_info->set_last_update_success_timestamp(
       product_data.last_success.ToTimeT());
   product_info->set_last_error(product_data.last_error_code);
   product_info->set_last_extra_error(product_data.last_extra_code);
   if (ProductInfo::InstallResult_IsValid(product_data.last_result)) {
     product_info->set_last_result(
         static_cast<ProductInfo::InstallResult>(product_data.last_result));
   }
 }
+#endif
 
 }  // namespace
 
 GoogleUpdateMetrics::GoogleUpdateMetrics() : is_system_install(false) {}
 
 GoogleUpdateMetrics::~GoogleUpdateMetrics() {}
 
 static base::LazyInstance<std::string>::Leaky
   g_version_extension = LAZY_INSTANCE_INITIALIZER;
 
@@ skipping 740 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)
 }