Move kInstallDate from chrome/common/pref_names.h to components/metrics/metrics_pref_names.h

components/metrics/metrics_service_client.h

Index: components/metrics/metrics_service_client.h
diff --git a/components/metrics/metrics_service_client.h b/components/metrics/metrics_service_client.h
index 1ef3188499f292f9b2468364428f329d29c67a16..1fcfb6ea459e198ed3405acfcaeac73c100c8916 100644
--- a/components/metrics/metrics_service_client.h
+++ b/components/metrics/metrics_service_client.h
@@ -42,9 +42,6 @@ class MetricsServiceClient {
   // Returns the version of the application as a string.
   virtual std::string GetVersionString() = 0;
 
-  // Returns the install date of the application, in seconds since the epoch.
-  virtual int64 GetInstallDate() = 0;
-
   // Called by the metrics service when a log has been uploaded.
   virtual void OnLogUploadComplete() = 0;