Refactor HashedExtensionMetrics into ExtensionsMetricsProvider.

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>
 
 #include "base/base64.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/cpu.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/profiler/alternate_timer.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/third_party/nspr/prtime.h"
 #include "base/time/time.h"
 #include "base/tracked_objects.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/metrics/extension_metrics.h"
 #include "chrome/common/pref_names.h"
 #include "components/metrics/metrics_provider.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/proto/profiler_event.pb.h"
 #include "components/metrics/proto/system_profile.pb.h"
 #include "components/nacl/common/nacl_process_type.h"
 #include "components/variations/active_field_trials.h"
 #include "content/public/common/content_client.h"
 #include "url/gurl.h"
 
@@ skipping 146 matching lines @@
 
 MetricsLog::MetricsLog(const std::string& client_id,
                        int session_id,
                        LogType log_type,
                        metrics::MetricsServiceClient* client)
     : MetricsLogBase(client_id,
                      session_id,
                      log_type,
                      client->GetVersionString()),
       client_(client),
-      creation_time_(base::TimeTicks::Now()),
-      extension_metrics_(uma_proto()->client_id()) {
+      creation_time_(base::TimeTicks::Now()) {
   uma_proto()->mutable_system_profile()->set_channel(client_->GetChannel());
 
 #if defined(OS_CHROMEOS)
   metrics_log_chromeos_.reset(new MetricsLogChromeOS(uma_proto()));
 #endif  // OS_CHROMEOS
 }
 
 MetricsLog::~MetricsLog() {}
 
 void MetricsLog::RecordStabilityMetrics(
@@ skipping 173 matching lines @@
 #if defined(OS_ANDROID)
   os->set_fingerprint(
       base::android::BuildInfo::GetInstance()->android_build_fp());
 #endif
 
   base::CPU cpu_info;
   SystemProfileProto::Hardware::CPU* cpu = hardware->mutable_cpu();
   cpu->set_vendor_name(cpu_info.vendor_name());
   cpu->set_signature(cpu_info.signature());
 
-  extension_metrics_.WriteExtensionList(uma_proto()->mutable_system_profile());
-
   std::vector<ActiveGroupId> field_trial_ids;
   GetFieldTrialIds(&field_trial_ids);
   WriteFieldTrials(field_trial_ids, system_profile);
   WriteFieldTrials(synthetic_trials, system_profile);
 
 #if defined(OS_CHROMEOS)
   metrics_log_chromeos_->LogChromeOSMetrics();
 #endif  // OS_CHROMEOS
 
   for (size_t i = 0; i < metrics_providers.size(); ++i)
@@ skipping 47 matching lines @@
     profile = uma_proto()->add_profiler_event();
     profile->set_profile_type(ProfilerEventProto::STARTUP_PROFILE);
     profile->set_time_source(ProfilerEventProto::WALL_CLOCK_TIME);
   } else {
     // For the remaining calls, re-use the existing field.
     profile = uma_proto()->mutable_profiler_event(0);
   }
 
   WriteProfilerData(process_data, process_type, profile);
 }