INVALID_PLATFORM  306 extensions/common/features/simple_feature.cc     return CreateAvailability(INVALID_PLATFORM, type);
INVALID_PLATFORM  393 extensions/common/features/simple_feature.cc     case INVALID_PLATFORM:
INVALID_PLATFORM  248 extensions/common/features/simple_feature_unittest.cc   EXPECT_EQ(Feature::INVALID_PLATFORM, feature.IsAvailableToContext(
INVALID_PLATFORM  307 extensions/common/features/simple_feature_unittest.cc       Feature::INVALID_PLATFORM,