FeatureAvailableCallback   24 chrome/browser/gpu/gpu_feature_checker.cc                                      FeatureAvailableCallback callback)
FeatureAvailableCallback   23 chrome/browser/gpu/gpu_feature_checker.h                     FeatureAvailableCallback callback);
FeatureAvailableCallback   38 chrome/browser/gpu/gpu_feature_checker.h   FeatureAvailableCallback callback_;