Fix leaky tests added by r21649.

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index f6cf94eb72a29332719c06f6bf824da7b61aab91..533c6249ca9abee8dd498ffaf216a2c823554744 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -2519,6 +2519,8 @@ TEST(FuncNameInferrerTwoByte) {
   v8::Local<v8::String> expected_name =
       v8::String::NewFromTwoByte(isolate, two_byte_name);
   CHECK(result->Equals(expected_name));
+  i::DeleteArray(two_byte_source);
+  i::DeleteArray(two_byte_name);
 }
 
 
@@ -2542,4 +2544,6 @@ TEST(FuncNameInferrerEscaped) {
   v8::Local<v8::String> expected_name =
       v8::String::NewFromTwoByte(isolate, two_byte_name);
   CHECK(result->Equals(expected_name));
+  i::DeleteArray(two_byte_source);
+  i::DeleteArray(two_byte_name);
 }