Inspired by r231891, use gender neutral pronouns in the places I've
found in LLVM.

llvm-svn: 231893
diff --git a/llvm/utils/unittest/googletest/include/gtest/gtest.h b/llvm/utils/unittest/googletest/include/gtest/gtest.h
index 07ed92b..257cee6 100644
--- a/llvm/utils/unittest/googletest/include/gtest/gtest.h
+++ b/llvm/utils/unittest/googletest/include/gtest/gtest.h
@@ -74,7 +74,7 @@
 // define it to 0 to indicate otherwise.
 //
 // If the user's ::std::string and ::string are the same class due to
-// aliasing, he should define GTEST_HAS_GLOBAL_STRING to 0.
+// aliasing, they should define GTEST_HAS_GLOBAL_STRING to 0.
 //
 // If the user doesn't define GTEST_HAS_GLOBAL_STRING, it is defined
 // heuristically.
diff --git a/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h b/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h
index f5bfd4e..477cf71 100644
--- a/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h
+++ b/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h
@@ -503,7 +503,7 @@
 #   define _TR1_FUNCTIONAL 1
 #   include <tr1/tuple>
 #   undef _TR1_FUNCTIONAL  // Allows the user to #include
-                        // <tr1/functional> if he chooses to.
+                        // <tr1/functional> if they chooses to.
 #  else
 #   include <tr1/tuple>  // NOLINT
 #  endif  // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302