Implement vulkan fence syncs for nanobench

include/private/SkGpuFenceSync.h

 
 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkGpuFenceSync_DEFINED
 #define SkGpuFenceSync_DEFINED
 
 #include "SkTypes.h"
 
 typedef void* SkPlatformGpuFence;
 
 /*
  * This class provides an interface to interact with fence syncs. A fence sync is an object that the
  * client can insert into the GPU command stream, and then at any future time, wait until all
  * commands that were issued before the fence have completed.
  */
 class SkGpuFenceSync {
 public:
     virtual SkPlatformGpuFence SK_WARN_UNUSED_RESULT insertFence() const = 0;
-    virtual bool waitFence(SkPlatformGpuFence, bool flush) const = 0;
+    virtual bool waitFence(SkPlatformGpuFence) const = 0;
     virtual void deleteFence(SkPlatformGpuFence) const = 0;
 
     virtual ~SkGpuFenceSync() {}
 };
 
 #endif