Simplify creation of a bunch of ArrayRefs by using None, makeArrayRef or just letting them be implicitly created.

llvm-svn: 216525
diff --git a/llvm/unittests/Support/ConvertUTFTest.cpp b/llvm/unittests/Support/ConvertUTFTest.cpp
index 16c9beb..510b1da 100644
--- a/llvm/unittests/Support/ConvertUTFTest.cpp
+++ b/llvm/unittests/Support/ConvertUTFTest.cpp
@@ -39,30 +39,30 @@
 
 TEST(ConvertUTFTest, OddLengthInput) {
   std::string Result;
-  bool Success = convertUTF16ToUTF8String(ArrayRef<char>("xxxxx", 5), Result);
+  bool Success = convertUTF16ToUTF8String(makeArrayRef("xxxxx", 5), Result);
   EXPECT_FALSE(Success);
 }
 
 TEST(ConvertUTFTest, Empty) {
   std::string Result;
-  bool Success = convertUTF16ToUTF8String(ArrayRef<char>(), Result);
+  bool Success = convertUTF16ToUTF8String(None, Result);
   EXPECT_TRUE(Success);
   EXPECT_TRUE(Result.empty());
 }
 
 TEST(ConvertUTFTest, HasUTF16BOM) {
-  bool HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xff\xfe", 2));
+  bool HasBOM = hasUTF16ByteOrderMark(makeArrayRef("\xff\xfe", 2));
   EXPECT_TRUE(HasBOM);
-  HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff", 2));
+  HasBOM = hasUTF16ByteOrderMark(makeArrayRef("\xfe\xff", 2));
   EXPECT_TRUE(HasBOM);
-  HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff ", 3));
+  HasBOM = hasUTF16ByteOrderMark(makeArrayRef("\xfe\xff ", 3));
   EXPECT_TRUE(HasBOM); // Don't care about odd lengths.
-  HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff\x00asdf", 6));
+  HasBOM = hasUTF16ByteOrderMark(makeArrayRef("\xfe\xff\x00asdf", 6));
   EXPECT_TRUE(HasBOM);
 
-  HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>());
+  HasBOM = hasUTF16ByteOrderMark(None);
   EXPECT_FALSE(HasBOM);
-  HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe", 1));
+  HasBOM = hasUTF16ByteOrderMark(makeArrayRef("\xfe", 1));
   EXPECT_FALSE(HasBOM);
 }