IOSurfaceLock      57 content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc   io_surface_support_->IOSurfaceLock(io_surface_, 0, NULL);
IOSurfaceLock      63 ui/gl/io_surface_support_mac.cc   virtual IOReturn IOSurfaceLock(CFTypeRef io_surface,
IOSurfaceLock      56 ui/gl/io_surface_support_mac.h   virtual IOReturn IOSurfaceLock(CFTypeRef io_surface,