Use MessageLoop for CompositorTest.LocksTimeOut

ui/compositor/compositor.h

 // 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.
 
 #ifndef UI_COMPOSITOR_COMPOSITOR_H_
 #define UI_COMPOSITOR_COMPOSITOR_H_
 
 #include <list>
 #include <string>
 
@@ skipping 44 matching lines @@
 
 namespace ui {
 
 class Compositor;
 class CompositorVSyncManager;
 class Layer;
 class Reflector;
 class Texture;
 struct LatencyInfo;
 
+const int kCompositorLockTimeoutMs = 67;
+
 // This class abstracts the creation of the 3D context for the compositor. It is
 // a global object.
 class COMPOSITOR_EXPORT ContextFactory {
  public:
   virtual ~ContextFactory() {}
 
   // Creates an output surface for the given compositor. The factory may keep
   // per-compositor data (e.g. a shared context), that needs to be cleaned up
   // by calling RemoveCompositor when the compositor gets destroyed.
   virtual void CreateOutputSurface(base::WeakPtr<Compositor> compositor) = 0;
@@ skipping 279 matching lines @@
   cc::BeginFrameArgs missed_begin_frame_args_;
 
   base::WeakPtrFactory<Compositor> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Compositor);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_COMPOSITOR_H_