EnsureAsyncUploadSync 3804 gpu/command_buffer/client/gles2_implementation.cc if (!EnsureAsyncUploadSync()) { EnsureAsyncUploadSync 3857 gpu/command_buffer/client/gles2_implementation.cc if (!EnsureAsyncUploadSync()) { EnsureAsyncUploadSync 622 gpu/command_buffer/client/gles2_implementation.h bool EnsureAsyncUploadSync();