Enabled volume buttons when TouchView is active

ash/test/test_volume_control_delegate.cc

+// Copyright 2014 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 "ash/test/test_volume_control_delegate.h"
+
+namespace ash {
+
+TestVolumeControlDelegate::TestVolumeControlDelegate(bool consume)
+    : consume_(consume),
+      handle_volume_mute_count_(0),
+      handle_volume_down_count_(0),
+      handle_volume_up_count_(0) {
+}
+
+TestVolumeControlDelegate::~TestVolumeControlDelegate() {
+}
+
+bool TestVolumeControlDelegate::HandleVolumeMute(
+    const ui::Accelerator& accelerator) {
+  ++handle_volume_mute_count_;
+  last_accelerator_ = accelerator;
+  return consume_;
+}
+
+bool TestVolumeControlDelegate::HandleVolumeDown(
+    const ui::Accelerator& accelerator) {
+  ++handle_volume_down_count_;
+  last_accelerator_ = accelerator;
+  return consume_;
+}
+
+bool TestVolumeControlDelegate::HandleVolumeUp(
+    const ui::Accelerator& accelerator) {
+  ++handle_volume_up_count_;
+  last_accelerator_ = accelerator;
+  return consume_;
+}
+
+}  // namespace ash