Desktop aura: Break aura::Window::SetParent in two.

ui/aura/test/aura_test_base.cc

 // Copyright (c) 2012 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/aura_test_base.h"
 
 #include "ui/aura/test/aura_test_helper.h"
+#include "ui/aura/window.h"
 #include "ui/base/gestures/gesture_configuration.h"
 #include "ui/base/ime/text_input_test_support.h"
 
 namespace aura {
 namespace test {
 
 AuraTestBase::AuraTestBase() {
 }
 
 AuraTestBase::~AuraTestBase() {
@@ skipping 43 matching lines @@
 void AuraTestBase::TearDown() {
   // Flush the message loop because we have pending release tasks
   // and these tasks if un-executed would upset Valgrind.
   RunAllPendingInMessageLoop();
 
   helper_->TearDown();
   ui::TextInputTestSupport::Shutdown();
   testing::Test::TearDown();
 }
 
+Window* AuraTestBase::CreateTransientChild(int id, Window* parent) {
+  Window* window = new Window(NULL);
+  window->set_id(id);
+  window->SetType(aura::client::WINDOW_TYPE_NORMAL);
+  window->Init(ui::LAYER_TEXTURED);
+  window->SetDefaultParentByRootWindow(root_window(), gfx::Rect());
+  parent->AddTransientChild(window);
+  return window;
+}
+
+void AuraTestBase::SetDefaultParentByPrimaryRootWindow(aura::Window* window) {
+  window->SetDefaultParentByRootWindow(root_window(), gfx::Rect());
+}
+
 void AuraTestBase::RunAllPendingInMessageLoop() {
   helper_->RunAllPendingInMessageLoop();
 }
 
 }  // namespace test
 }  // namespace aura