Switch Next Window Key functionality

ash/accelerators/accelerator_controller.cc

Index: ash/accelerators/accelerator_controller.cc
diff --git a/ash/accelerators/accelerator_controller.cc b/ash/accelerators/accelerator_controller.cc
index 79f8f414517660ae3540d289537ac88da4a2ae42..a994ae5442166e602b4a93d683a095d189c2d359 100644
--- a/ash/accelerators/accelerator_controller.cc
+++ b/ash/accelerators/accelerator_controller.cc
@@ -490,11 +490,19 @@ bool AcceleratorController::PerformAction(int action,
   // and BrowserView::HandleKeyboardEvent, for a single accelerator press.
   switch (action) {
     case CYCLE_BACKWARD_MRU:
+      if (key_code == ui::VKEY_MEDIA_LAUNCH_APP1) {
+        shell->delegate()->RecordUserMetricsAction(
+            UMA_ACCEL_PREVWINDOW_F5);
+      }
       if (key_code == ui::VKEY_TAB)
         shell->delegate()->RecordUserMetricsAction(UMA_ACCEL_PREVWINDOW_TAB);
       return HandleCycleWindowMRU(WindowCycleController::BACKWARD,
                                   accelerator.IsAltDown());
     case CYCLE_FORWARD_MRU:
+      if (key_code == ui::VKEY_MEDIA_LAUNCH_APP1) {
+        shell->delegate()->RecordUserMetricsAction(
+            UMA_ACCEL_NEXTWINDOW_F5);
+      }
       if (key_code == ui::VKEY_TAB)
         shell->delegate()->RecordUserMetricsAction(UMA_ACCEL_NEXTWINDOW_TAB);
       return HandleCycleWindowMRU(WindowCycleController::FORWARD,