Added hotkey support to 8508009

ui/aura_shell/shell_accelerator_controller.cc

Index: ui/aura_shell/shell_accelerator_controller.cc
diff --git a/ui/aura_shell/shell_accelerator_controller.cc b/ui/aura_shell/shell_accelerator_controller.cc
index 99f12a444d4765c3359dacb32bfdea1fc27277d9..3453931e4a2e32a5e12fcbe44a0b52918c62cd67 100644
--- a/ui/aura_shell/shell_accelerator_controller.cc
+++ b/ui/aura_shell/shell_accelerator_controller.cc
@@ -9,6 +9,7 @@
 #include "ui/aura_shell/shell.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/base/accelerators/accelerator_manager.h"
+#include "ui/gfx/compositor/debug_utils.h"
 #include "ui/gfx/compositor/layer_animation_sequence.h"
 #include "ui/gfx/compositor/layer_animator.h"
 #include "ui/gfx/compositor/screen_rotation.h"
@@ -24,6 +25,7 @@ struct AcceleratorData {
 } kAcceleratorData[] = {
   { ui::VKEY_F11, false, false, false },
   { ui::VKEY_HOME, false, true, false },
+  { ui::VKEY_L, false, false, true },
 };
 
 // Registers the accelerators with ShellAcceleratorController.
@@ -118,6 +120,10 @@ bool ShellAcceleratorController::AcceleratorPressed(
              accelerator.IsCtrlDown()) {
     RotateScreen();
     return true;
+  } else if (accelerator.key_code() == ui::VKEY_L &&
+             accelerator.IsAltDown()) {
+    ui::PrintLayerHierarchy(aura::Desktop::GetInstance()->layer());
+    return true;
   }
 #endif
   return false;