Update from https://crrev.com/302630

cc/test/test_gpu_memory_buffer_manager.h

Index: cc/test/test_gpu_memory_buffer_manager.h
diff --git a/cc/test/test_gpu_memory_buffer_manager.h b/cc/test/test_gpu_memory_buffer_manager.h
index 11f80ba760615dfb6dd31d2c22af5e451bd96aa8..d084436a09ea5acd79eea8cd8d92fa2573759214 100644
--- a/cc/test/test_gpu_memory_buffer_manager.h
+++ b/cc/test/test_gpu_memory_buffer_manager.h
@@ -21,6 +21,8 @@ class TestGpuMemoryBufferManager : public gpu::GpuMemoryBufferManager {
       gfx::GpuMemoryBuffer::Usage usage) override;
   gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
       ClientBuffer buffer) override;
+  void SetDestructionSyncPoint(gfx::GpuMemoryBuffer* buffer,
+                               uint32 sync_point) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestGpuMemoryBufferManager);