Use mojo volume interfaces for mash and classic ash.

ash/wm/maximize_mode/maximize_mode_controller_unittest.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/common/wm/maximize_mode/maximize_mode_controller.h"
 
 #include <math.h>
 #include <utility>
 #include <vector>
 
 #include "ash/common/ash_switches.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/test/test_system_tray_delegate.h"
-#include "ash/common/test/test_volume_control_delegate.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/display_manager_test_api.h"
 #include "base/command_line.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/test/user_action_tester.h"
 #include "chromeos/accelerometer/accelerometer_reader.h"
@@ skipping 536 matching lines @@
 // accelerometer updates which would normally cause it to exit do not.
 TEST_F(MaximizeModeControllerSwitchesTest, IgnoreHingeAngles) {
   maximize_mode_controller()->EnableMaximizeModeWindowManager(true);
 
   // Would normally trigger an exit from maximize mode.
   OpenLidToAngle(90.0f);
   EXPECT_TRUE(IsMaximizeModeStarted());
 }
 
 }  // namespace ash