[Metrics] Move CommandLine metrics out of MetricsService

chrome/browser/metrics/chrome_metrics_service_client.h

Index: chrome/browser/metrics/chrome_metrics_service_client.h
diff --git a/chrome/browser/metrics/chrome_metrics_service_client.h b/chrome/browser/metrics/chrome_metrics_service_client.h
index 63d0f6d42c228bc645e79336fb49f6df10c15148..e21dde60965e282844d51312ccf55f212b646262 100644
--- a/chrome/browser/metrics/chrome_metrics_service_client.h
+++ b/chrome/browser/metrics/chrome_metrics_service_client.h
@@ -48,6 +48,9 @@ class ChromeMetricsServiceClient : public metrics::MetricsServiceClient,
   void OnMemoryDetailCollectionDone();
   void OnHistogramSynchronizationDone();
 
+  // Records metrics about the switches present on the command line.
+  void RecordCommandLineMetrics();
+
   // Registers |this| as an observer for notifications which indicate that a
   // user is performing work. This is useful to allow some features to sleep,
   // until the machine becomes active, such as precluding UMA uploads unless