Revert "Add full support for line continuation in the preprocessor" Warning in the Linux/Mac builders: In file included from ../../third_party/angle/src/tests/preprocessor_tests/input_test.cpp:7: In file included from ../../third_party/angle/src/tests/preprocessor_tests/PreprocessorTest.h:7: ../../testing/gtest/include/gtest/gtest.h:1392:16: error: comparison of integers of different signs: 'const int' and 'const unsigned long' [-Werror,-Wsign-compare] if (expected == actual) { ~~~~~~~~ ^ ~~~~~~ ../../testing/gtest/include/gtest/gtest.h:1422:12: note: in instantiation of function template specialization 'testing::internal::CmpHelperEQ<int, unsigned long>' requested here return CmpHelperEQ(expected_expression, actual_expression, expected, ^ ../../third_party/angle/src/tests/preprocessor_tests/input_test.cpp:171:5: note: in instantiation of function template specialization 'testing::internal::EqHelper<false>::Compare<int, unsigned long>' requested here EXPECT_EQ(3, input.read(buf, maxSize, &lineNo)); ^ BUG=angleproject:1125 This reverts commit c1157d1963170c7411eb6c32e2b2fbce02c5a170. Change-Id: Ic6fa286d190b006cccc5154d86e21ecc03175763 Reviewed-on: https://chromium-review.googlesource.com/294080 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>