cc: Detect miss-behaving fence extensions when using 1-copy rasterizer.

cc/resources/one_copy_raster_worker_pool.h

 // Copyright 2014 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 CC_RESOURCES_ONE_COPY_RASTER_WORKER_POOL_H_
 #define CC_RESOURCES_ONE_COPY_RASTER_WORKER_POOL_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/values.h"
@@ skipping 76 matching lines @@
     ~CopyOperation();
 
     scoped_ptr<ResourceProvider::ScopedWriteLockGpuMemoryBuffer> write_lock;
     scoped_ptr<ScopedResource> src;
     const Resource* dst;
   };
 
   void OnRasterFinished(TaskSet task_set);
   void AdvanceLastFlushedCopyTo(CopySequenceNumber sequence);
   void IssueCopyOperations(int64 count);
-  void ScheduleCheckForCompletedCopyOperationsWithLockAcquired();
-  void CheckForCompletedCopyOperations();
+  void ScheduleCheckForCompletedCopyOperationsWithLockAcquired(
+      bool wait_if_needed);
+  void CheckForCompletedCopyOperations(bool wait_if_needed);
   scoped_refptr<base::debug::ConvertableToTraceFormat> StateAsValue() const;
   void StagingStateAsValueInto(base::debug::TracedValue* staging_state) const;
 
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   TaskGraphRunner* task_graph_runner_;
   const NamespaceToken namespace_token_;
   RasterizerClient* client_;
   ContextProvider* context_provider_;
   ResourceProvider* resource_provider_;
   ResourcePool* resource_pool_;
@@ skipping 23 matching lines @@
   // canceled when ScheduleTasks() is called.
   base::WeakPtrFactory<OneCopyRasterWorkerPool>
       raster_finished_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OneCopyRasterWorkerPool);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_ONE_COPY_RASTER_WORKER_POOL_H_