Revert of Use a stub implementation of GlobalShortcutListener for Athena

chrome/browser/extensions/global_shortcut_listener_athena.cc

Index: chrome/browser/extensions/global_shortcut_listener_athena.cc
diff --git a/chrome/browser/extensions/global_shortcut_listener_athena.cc b/chrome/browser/extensions/global_shortcut_listener_athena.cc
deleted file mode 100644
index 05ed85dccd77ec017a773487150824c89dee3e93..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/global_shortcut_listener_athena.cc
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/logging.h"
-#include "chrome/browser/extensions/global_shortcut_listener_athena.h"
-
-namespace extensions {
-
-// static
-GlobalShortcutListener* GlobalShortcutListener::GetInstance() {
-  static GlobalShortcutListenerAthena* instance =
-      new GlobalShortcutListenerAthena();
-  return instance;
-}
-
-GlobalShortcutListenerAthena::GlobalShortcutListenerAthena() {
-  // TODO: Compile out the CommandService on Athena. crbug.com/429398
-}
-
-GlobalShortcutListenerAthena::~GlobalShortcutListenerAthena() {
-}
-
-void GlobalShortcutListenerAthena::StartListening() {
-  NOTIMPLEMENTED();
-}
-
-void GlobalShortcutListenerAthena::StopListening() {
-  NOTIMPLEMENTED();
-}
-
-bool GlobalShortcutListenerAthena::RegisterAcceleratorImpl(
-    const ui::Accelerator& accelerator) {
-  NOTIMPLEMENTED();
-  return false;
-}
-
-void GlobalShortcutListenerAthena::UnregisterAcceleratorImpl(
-    const ui::Accelerator& accelerator) {
-  NOTIMPLEMENTED();
-}
-
-}  // namespace extensions