Rename MetricsServiceHelper to ChromeMetricsServiceAccessor.

chrome/browser/extensions/updater/manifest_fetch_data.cc

Index: chrome/browser/extensions/updater/manifest_fetch_data.cc
diff --git a/chrome/browser/extensions/updater/manifest_fetch_data.cc b/chrome/browser/extensions/updater/manifest_fetch_data.cc
index 3144afc77708f799c588e9db698ec38decb630ce..d4da1a46fb3ae964b1c7ad84ab3d5a44ac975eac 100644
--- a/chrome/browser/extensions/updater/manifest_fetch_data.cc
+++ b/chrome/browser/extensions/updater/manifest_fetch_data.cc
@@ -11,7 +11,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/google/google_util.h"
-#include "chrome/browser/metrics/metrics_service.h"
+#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
 #include "chrome/browser/omaha_query_params/omaha_query_params.h"
 #include "net/base/escape.h"
 
@@ -103,7 +103,7 @@ bool ManifestFetchData::AddExtension(const std::string& id,
       if (ping_data->rollcall_days == kNeverPinged ||
           ping_data->rollcall_days > 0) {
         ping_value += "r=" + base::IntToString(ping_data->rollcall_days);
-        if (MetricsServiceHelper::IsMetricsReportingEnabled()) {
+        if (ChromeMetricsServiceAccessor::IsMetricsReportingEnabled()) {
           ping_value += "&e=" + std::string(ping_data->is_enabled ? "1" : "0");
         }
         pings_[id].rollcall_days = ping_data->rollcall_days;