Add debug shortcuts that toggles options to shows debug borders and fps counters

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 ac36027fbf7c7e516dacb66720ccf886b6287661..19f3f3fafd9471ad4256ed7e7b508d2801779806 100644
--- a/ash/accelerators/accelerator_controller.cc
+++ b/ash/accelerators/accelerator_controller.cc
@@ -816,6 +816,12 @@ bool AcceleratorController::PerformAction(int action,
     case DEBUG_TOGGLE_DEVICE_SCALE_FACTOR:
       internal::DisplayManager::ToggleDisplayScaleFactor();
       return true;
+    case DEBUG_TOGGLE_SHOW_DEBUG_BORDERS:
+      ash::debug::ToggleShowDebugBorders();
+      return true;
+    case DEBUG_TOGGLE_SHOW_FPS_COUNTER:
+      ash::debug::ToggleShowFpsCounter();
+      return true;
     case DEBUG_TOGGLE_SHOW_PAINT_RECTS:
       ash::debug::ToggleShowPaintRects();
       return true;