Removed Ash.AppList.TimeBetweenTaskSwitches and Ash.Tab.TimeBetweenSwitchToExistingTabUserActions h…

ash/metrics/task_switch_metrics_recorder.cc

Index: ash/metrics/task_switch_metrics_recorder.cc
diff --git a/ash/metrics/task_switch_metrics_recorder.cc b/ash/metrics/task_switch_metrics_recorder.cc
index b636b157f957d95eaedbf63f276a46a58a882c04..655b9dea894b08269870bda2e46ef5e10a876491 100644
--- a/ash/metrics/task_switch_metrics_recorder.cc
+++ b/ash/metrics/task_switch_metrics_recorder.cc
@@ -19,14 +19,9 @@ const char kDesktopHistogramName[] =
 const char kShelfHistogramName[] =
     "Ash.Shelf.TimeBetweenNavigateToTaskSwitches";
 
-const char kTabStripHistogramName[] =
-    "Ash.Tab.TimeBetweenSwitchToExistingTabUserActions";
-
 const char kAcceleratorWindowCycleHistogramName[] =
     "Ash.WindowCycleController.TimeBetweenTaskSwitches";
 
-const char kAppListHistogramName[] = "Ash.AppList.TimeBetweenTaskSwitches";
-
 const char kOverviewModeHistogramName[] =
     "Ash.WindowSelector.TimeBetweenActiveWindowChanges";
 
@@ -35,16 +30,12 @@ const char* GetHistogramName(TaskSwitchSource task_switch_source) {
   switch (task_switch_source) {
     case TaskSwitchSource::ANY:
       return kAshTaskSwitchHistogramName;
-    case TaskSwitchSource::APP_LIST:
-      return kAppListHistogramName;
     case TaskSwitchSource::DESKTOP:
       return kDesktopHistogramName;
     case TaskSwitchSource::OVERVIEW_MODE:
       return kOverviewModeHistogramName;
     case TaskSwitchSource::SHELF:
       return kShelfHistogramName;
-    case TaskSwitchSource::TAB_STRIP:
-      return kTabStripHistogramName;
     case TaskSwitchSource::WINDOW_CYCLE_CONTROLLER:
       return kAcceleratorWindowCycleHistogramName;
   }