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

chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc

Index: chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
index 08fd025b4b565495cb7b3a4691f3dd0e959cc67a..4dca846d888720b234b07d0e578c18046399f3b4 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
@@ -50,6 +50,7 @@
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "components/bookmarks/browser/bookmark_model.h"
+#include "components/metrics/metrics_service.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/page_navigator.h"
@@ -1002,8 +1003,7 @@ void BookmarkBarView::BookmarkMenuControllerDeleted(
 }
 
 void BookmarkBarView::ShowImportDialog() {
-  int64 install_time =
-      g_browser_process->local_state()->GetInt64(prefs::kInstallDate);
+  int64 install_time = g_browser_process->metrics_service()->GetInstallDate();
   int64 time_from_install = base::Time::Now().ToTimeT() - install_time;
   if (bookmark_bar_state_ == BookmarkBar::SHOW) {
     UMA_HISTOGRAM_COUNTS("Import.ShowDialog.FromBookmarkBarView",