[debugger] Various break-related functionality in test wrapper

test/debugger/testcfg.py

 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import os
 import re
 
 from testrunner.local import testsuite
 from testrunner.objects import testcase
 
@@ skipping 15 matching lines @@
         if (filename.endswith(".js") and filename != "test-api.js"):
           fullpath = os.path.join(dirname, filename)
           relpath = fullpath[len(self.root) + 1 : -3]
           testname = relpath.replace(os.path.sep, "/")
           test = testcase.TestCase(self, testname)
           tests.append(test)
     return tests
 
   def GetFlagsForTestCase(self, testcase, context):
     source = self.GetSourceForTest(testcase)
-    flags = ["--enable-inspector"] + context.mode_flags
+    flags = ["--enable-inspector", "--allow-natives-syntax"] + context.mode_flags
     flags_match = re.findall(FLAGS_PATTERN, source)
     for match in flags_match:
       flags += match.strip().split()
 
     files = []
     files.append(os.path.normpath(os.path.join(self.root, "..", "mjsunit", "mjsunit.js")))
     files.append(os.path.join(self.root, "test-api.js"))
     files.append(os.path.join(self.root, testcase.path + self.suffix()))
 
     flags += files
     if context.isolates:
       flags.append("--isolate")
       flags += files
 
     return testcase.flags + flags
 
   def GetSourceForTest(self, testcase):
     filename = os.path.join(self.root, testcase.path + self.suffix())
     with open(filename) as f:
       return f.read()
 
 def GetSuite(name, root):
   return DebuggerTestSuite(name, root)