Handle '//:lint' and '//:nolint' comments.

test/feature/Syntax/StrictSemiColonsNoLint.js

Index: test/feature/Syntax/StrictSemiColonsNoLint.js 
diff --git a/test/feature/Syntax/StrictSemiColonsNoLint.js b/test/feature/Syntax/StrictSemiColonsNoLint.js 
new file mode 100644 
index 0000000000000000000000000000000000000000..936fa9597ccdcf5aca565b769db86a09d8247a66 
--- /dev/null 
+++ b/test/feature/Syntax/StrictSemiColonsNoLint.js 
@@ -0,0 +1,30 @@ 
+// Options: --strict-semicolons 
+ 
+//:this is a nolint test. 
+ 
+// Note: The leading letter in the var names changes for each expected 
+// transition between lint and nolint. 
+var a0; 
+var a1; 
+//:nolint 
+var b2 
+//:nolint These don't nest (should they?). 
+var b3 
+// hello lint 
+var b4 
+var b5 
+var b6; 
+var b7 
+var b8 
+//:lint 
+//:nolint 
+var c1 
+var c2 
+//:hello lint 
+var c3 
+var c4 
+; // Necessary for nolint-to-lint transitions. 
+//:lint 
+var d1; 
+//:lint 
+var d2;