fix bugs when adapting chrome and firefox

Author: ChijinZ

my_fuzzer/generator.py

@@ -446,9 +446,9 @@ def __init__(self, selector: OneGramSelector, global_info: GlobalInfo):
         if browser_grammar is None:
             print("not set BROWSER_GRAMMAR, default webref_js")
         if browser_grammar == "CHROME":
-            err = self.jsgrammar.parse_from_file(os.path.join(self.grammar_dir, 'chromejs.txt'))
+            err = self.jsgrammar.parse_from_file(os.path.join(self.grammar_dir, 'webref_js.txt'))
         elif browser_grammar == "FIREFOX":
-            err = self.jsgrammar.parse_from_file(os.path.join(self.grammar_dir, 'firefoxjs.txt'))
+            err = self.jsgrammar.parse_from_file(os.path.join(self.grammar_dir, 'webref_js.txt'))
         elif browser_grammar == "WEBKIT":
             err = self.jsgrammar.parse_from_file(os.path.join(self.grammar_dir, 'webref_js.txt'))
         elif browser_grammar == "ORIGINAL_DOMATO":