ui: No more TestCompositor. Use NullDraw contexts in unit tests.

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/client/window_tree_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/test/aura_test_helper.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
 #include "ui/base/ime/input_method_initializer.h"
+#include "ui/compositor/test/context_factories_for_test.h"
 #include "ui/events/gestures/gesture_configuration.h"
 
 namespace aura {
 namespace test {
 
 AuraTestBase::AuraTestBase()
     : setup_called_(false),
       teardown_called_(false) {
 }
 
@@ skipping 38 matching lines @@
   ui::GestureConfiguration::set_fling_acceleration_curve_coefficients(
       0, 0.0166667f);
   ui::GestureConfiguration::set_fling_acceleration_curve_coefficients(
       1, -0.0238095f);
   ui::GestureConfiguration::set_fling_acceleration_curve_coefficients(
       2, 0.0452381f);
   ui::GestureConfiguration::set_fling_acceleration_curve_coefficients(
       3, 0.8f);
   ui::GestureConfiguration::set_fling_velocity_cap(15000.0f);
 
+  // The ContextFactory must exist before any Compositors are created.
+  bool enable_pixel_output = false;
+  ui::InitializeContextFactoryForTests(enable_pixel_output);
+
   helper_.reset(new AuraTestHelper(&message_loop_));
-  bool allow_test_contexts = true;
-  helper_->SetUp(allow_test_contexts);
+  helper_->SetUp();
 }
 
 void AuraTestBase::TearDown() {
   teardown_called_ = true;
 
   // Flush the message loop because we have pending release tasks
   // and these tasks if un-executed would upset Valgrind.
   RunAllPendingInMessageLoop();
 
   helper_->TearDown();
+  ui::TerminateContextFactoryForTests();
   ui::ShutdownInputMethodForTesting();
   testing::Test::TearDown();
 }
 
 Window* AuraTestBase::CreateNormalWindow(int id, Window* parent,
                                          WindowDelegate* delegate) {
   Window* window = new Window(
       delegate ? delegate :
       test::TestWindowDelegate::CreateSelfDestroyingDelegate());
   window->set_id(id);
   window->Init(aura::WINDOW_LAYER_TEXTURED);
   parent->AddChild(window);
   window->SetBounds(gfx::Rect(0, 0, 100, 100));
   window->Show();
   return window;
 }
 
 void AuraTestBase::RunAllPendingInMessageLoop() {
   helper_->RunAllPendingInMessageLoop();
 }
 
 void AuraTestBase::ParentWindow(Window* window) {
   client::ParentWindowWithContext(window, root_window(), gfx::Rect());
 }
 
 }  // namespace test
 }  // namespace aura