Converts most of WorkspaceLayoutManager tests to use common code

ash/common/test/ash_test.cc

 // Copyright 2016 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/test/ash_test.h"
 
 #include "ash/common/test/ash_test_impl.h"
+#include "ash/common/wm_root_window_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
+#include "ash/test/test_session_state_delegate.h"
+#include "base/run_loop.h"
 #include "ui/compositor/layer_type.h"
 #include "ui/display/display.h"
 
 namespace ash {
 
 WindowOwner::WindowOwner(WmWindow* window) : window_(window) {}
 
 WindowOwner::~WindowOwner() {
   window_->Destroy();
 }
 
 AshTest::AshTest() : test_impl_(AshTestImpl::Create()) {}
 
 AshTest::~AshTest() {}
 
+// static
+WmShelf* AshTest::GetPrimaryShelf() {
+  return WmShell::Get()
+      ->GetPrimaryRootWindow()
+      ->GetRootWindowController()
+      ->GetShelf();
+}
+
 bool AshTest::SupportsMultipleDisplays() const {
   return test_impl_->SupportsMultipleDisplays();
 }
 
 void AshTest::UpdateDisplay(const std::string& display_spec) {
   return test_impl_->UpdateDisplay(display_spec);
 }
 
 std::unique_ptr<WindowOwner> AshTest::CreateTestWindow(const gfx::Rect& bounds,
                                                        ui::wm::WindowType type,
                                                        int shell_window_id) {
   return test_impl_->CreateTestWindow(bounds, type, shell_window_id);
 }
 
+std::unique_ptr<WindowOwner> AshTest::CreateToplevelTestWindow(
+    const gfx::Rect& bounds_in_screen,
+    int shell_window_id) {
+  return test_impl_->CreateToplevelTestWindow(bounds_in_screen,
+                                              shell_window_id);
+}
+
 std::unique_ptr<WindowOwner> AshTest::CreateChildWindow(WmWindow* parent,
                                                         const gfx::Rect& bounds,
                                                         int shell_window_id) {
   std::unique_ptr<WindowOwner> window_owner =
       base::MakeUnique<WindowOwner>(WmShell::Get()->NewWindow(
           ui::wm::WINDOW_TYPE_NORMAL, ui::LAYER_NOT_DRAWN));
   window_owner->window()->SetBounds(bounds);
   window_owner->window()->SetShellWindowId(shell_window_id);
   parent->AddChild(window_owner->window());
   window_owner->window()->Show();
   return window_owner;
 }
 
 display::Display AshTest::GetSecondaryDisplay() {
   return test_impl_->GetSecondaryDisplay();
 }
 
 bool AshTest::SetSecondaryDisplayPlacement(
     display::DisplayPlacement::Position position,
     int offset) {
   return test_impl_->SetSecondaryDisplayPlacement(position, offset);
 }
 
+void AshTest::ConfigureWidgetInitParamsForDisplay(
+    WmWindow* window,
+    views::Widget::InitParams* init_params) {
+  test_impl_->ConfigureWidgetInitParamsForDisplay(window, init_params);
+}
+
+void AshTest::ParentWindowInPrimaryRootWindow(WmWindow* window) {
+  window->SetParentUsingContext(WmShell::Get()->GetPrimaryRootWindow(),
+                                gfx::Rect());
+}
+
+void AshTest::AddTransientChild(WmWindow* parent, WmWindow* window) {
+  test_impl_->AddTransientChild(parent, window);
+}
+
+void AshTest::RunAllPendingInMessageLoop() {
+  base::RunLoop run_loop;
+  run_loop.RunUntilIdle();
+}
+
 void AshTest::SetUp() {
   test_impl_->SetUp();
 }
 
 void AshTest::TearDown() {
   test_impl_->TearDown();
 }
 
 }  // namespace ash