DevTools: [PrettyPrint] support template literals in pretty-printing

LayoutTests/inspector/sources/pretty-print-javascript-6.html

Index: LayoutTests/inspector/sources/pretty-print-javascript-6.html
diff --git a/LayoutTests/inspector/sources/pretty-print-javascript-6.html b/LayoutTests/inspector/sources/pretty-print-javascript-6.html
index 3d0c658dc36a3d98b2ebe54ad60f7be7d6467292..a44d8df538b007367dee0223c48c42f1e9a52fdc 100644
--- a/LayoutTests/inspector/sources/pretty-print-javascript-6.html
+++ b/LayoutTests/inspector/sources/pretty-print-javascript-6.html
@@ -27,7 +27,7 @@ function test()
         function generatorFormatter(next)
         {
             var mappingQueries = ["max", "*", "else"];
-            testJSFormatter("function *max(){ var a = yield; var b = yield; if (a > b) return a; else return b;}", mappingQueries, next);
+            testJSFormatter("function *max(){var a=yield;var b=yield 10;if(a>b)return a;else return b;}", mappingQueries, next);
         },
 
         function blockCommentFormatter(next)