[Metrics] Move CommandLine metrics out of MetricsService

chrome/browser/metrics/metrics_service.cc

Index: chrome/browser/metrics/metrics_service.cc
diff --git a/chrome/browser/metrics/metrics_service.cc b/chrome/browser/metrics/metrics_service.cc
index b6fca9f1eb9fea25efa4eab499137c5e9d5f297a..0e1af5c07c0559fde8e5dcfd4f435bb1841227fc 100644
--- a/chrome/browser/metrics/metrics_service.cc
+++ b/chrome/browser/metrics/metrics_service.cc
@@ -167,7 +167,6 @@
 
 #include "base/bind.h"
 #include "base/callback.h"
-#include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/metrics/statistics_recorder.h"
@@ -191,7 +190,6 @@
 #include "chrome/browser/metrics/tracking_synchronizer.h"
 #include "chrome/browser/ui/browser_otr_state.h"
 #include "chrome/common/chrome_constants.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/crash_keys.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/variations/variations_util.h"
@@ -846,24 +844,6 @@ void MetricsService::InitializeMetricsState() {
   // Bookkeeping for the uninstall metrics.
   IncrementLongPrefsValue(prefs::kUninstallLaunchCount);
 
-  // Get stats on use of command line.
-  const CommandLine* command_line(CommandLine::ForCurrentProcess());
-  size_t common_commands = 0;
-  if (command_line->HasSwitch(switches::kUserDataDir)) {
-    ++common_commands;
-    UMA_HISTOGRAM_COUNTS_100("Chrome.CommandLineDatDirCount", 1);
-  }
-
-  if (command_line->HasSwitch(switches::kApp)) {
-    ++common_commands;
-    UMA_HISTOGRAM_COUNTS_100("Chrome.CommandLineAppModeCount", 1);
-  }
-
-  size_t switch_count = command_line->GetSwitches().size();
-  UMA_HISTOGRAM_COUNTS_100("Chrome.CommandLineFlagCount", switch_count);
-  UMA_HISTOGRAM_COUNTS_100("Chrome.CommandLineUncommonFlagCount",
-                           switch_count - common_commands);
-
   // Kick off the process of saving the state (so the uptime numbers keep
   // getting updated) every n minutes.
   ScheduleNextStateSave();