Update shelf spacing in Chrome OS according to the MD specs

chrome/test/base/view_event_test_platform_part_chromeos.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 "chrome/test/base/view_event_test_platform_part.h"
 
 #include <memory>
 
 #include "ash/ash_switches.h"
+#include "ash/material_design/material_design_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_init_params.h"
 #include "ash/test/ash_test_helper.h"
 #include "ash/test/test_session_state_delegate.h"
 #include "ash/test/test_shell_delegate.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "chromeos/audio/cras_audio_handler.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/network/network_handler.h"
@@ skipping 30 matching lines @@
   // Ash Shell can't just live on its own without a browser process, we need to
   // also create the message center.
   message_center::MessageCenter::Initialize();
   chromeos::DBusThreadManager::Initialize();
   bluez::BluezDBusManager::Initialize(
       chromeos::DBusThreadManager::Get()->GetSystemBus(),
       chromeos::DBusThreadManager::Get()->IsUsingStub(
           chromeos::DBusClientBundle::BLUETOOTH));
   chromeos::CrasAudioHandler::InitializeForTesting();
   chromeos::NetworkHandler::Initialize();
+  ash::MaterialDesignController::Initialize();

[bruthig, 2016/06/03 20:18:17]

Don't forget to Uninitialize() in tear down.

[yiyix, 2016/06/10 19:26:05]

Done.

 
   env_ = aura::Env::CreateInstance();
   ash::test::TestShellDelegate* shell_delegate =
       new ash::test::TestShellDelegate();
   ash::ShellInitParams init_params;
   init_params.delegate = shell_delegate;
   init_params.context_factory = context_factory;
   init_params.blocking_pool = content::BrowserThread::GetBlockingPool();
   base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
       ash::switches::kAshHostWindowBounds, "0+0-1280x800");
@@ skipping 16 matching lines @@
   message_center::MessageCenter::Shutdown();
 }
 
 }  // namespace
 
 // static
 ViewEventTestPlatformPart* ViewEventTestPlatformPart::Create(
     ui::ContextFactory* context_factory) {
   return new ViewEventTestPlatformPartChromeOS(context_factory);
 }