Revert of Make ui::Compositor use ui::Scheduler

ui/compositor/test/test_compositor_host_x11.cc

 // Copyright 2013 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/compositor/test/test_compositor_host.h"
 
 #include <X11/Xlib.h>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 12 matching lines @@
  public:
   TestCompositorHostX11(const gfx::Rect& bounds,
                         ui::ContextFactory* context_factory);
   ~TestCompositorHostX11() override;
 
  private:
   // Overridden from TestCompositorHost:
   void Show() override;
   ui::Compositor* GetCompositor() override;
 
+  void Draw();
+
   gfx::Rect bounds_;
 
   ui::ContextFactory* context_factory_;
 
   scoped_ptr<ui::Compositor> compositor_;
 
   XID window_;
 
   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostX11);
 };
@@ skipping 33 matching lines @@
   compositor_.reset(new ui::Compositor(window_,
                                        context_factory_,
                                        base::ThreadTaskRunnerHandle::Get()));
   compositor_->SetScaleAndSize(1.0f, bounds_.size());
 }
 
 ui::Compositor* TestCompositorHostX11::GetCompositor() {
   return compositor_.get();
 }
 
+void TestCompositorHostX11::Draw() {
+  if (compositor_.get())
+    compositor_->Draw();
+}
+
 // static
 TestCompositorHost* TestCompositorHost::Create(
     const gfx::Rect& bounds,
     ui::ContextFactory* context_factory) {
   return new TestCompositorHostX11(bounds, context_factory);
 }
 
 }  // namespace ui