Positions the launcher in the bottom left corner. Adds ShellDelegate

ui/aura/test/test_desktop_delegate.cc

 // Copyright (c) 2011 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 "ui/aura/test/test_desktop_delegate.h"
 
 #include "ui/aura/desktop.h"
 
 namespace aura {
 namespace test {
@@ skipping 12 matching lines @@
 }
 
 void TestDesktopDelegate::AddChildToDefaultParent(Window* window) {
   default_container_->AddChild(window);
 }
 
 Window* TestDesktopDelegate::GetTopmostWindowToActivate(Window* ignore) const {
   return default_container_->GetTopmostWindowToActivate(ignore);
 }
 
+void TestDesktopDelegate::WindowAdded(Window* window) {
+}
+
+void TestDesktopDelegate::WillRemoveWindow(Window* window) {
+}
+
 }  // namespace test
 }  // namespace aura