[testing] Extend interpreter testing to webkit suite.

This also runs the webkit test suite against Ignition. By now most of
the tests pass, the failing ones have been blacklisted.

R=machenbach@chromium.org
TEST=webkit

Review URL: https://codereview.chromium.org/1799603003

Cr-Commit-Position: refs/heads/master@{#34749}

test/ignition.isolate

@@ -11,5 +11,6 @@
     'cctest/cctest.isolate',
     'mjsunit/mjsunit.isolate',
     'message/message.isolate',
+    'webkit/webkit.isolate',
   ],
 }

test/webkit/webkit.status

@@ -96,6 +96,15 @@
   # Skip tests that timeout.
 }],  # 'gc_stress == True and mode == debug'
 
+##############################################################################
+['ignition == True', {
+  # TODO(4680): Throws a RangeError due to stack overflow. Need investigation.
+  'fast/js/excessive-comma-usage': [SKIP],  # Stack is brittle, SKIP not FAIL.
+
+  # TODO(4680): Assertion is C++ collection, looks like ordinary bug.
+  'fast/js/parser-syntax-check': [SKIP],  # Only some C++ libs, SKIP not FAIL.
+}],  # ignition == True
+
 ##############################################################################
 ['gcov_coverage', {
   # Tests taking too long or getting too large call stacks.

tools/run-tests.py

@@ -85,6 +85,7 @@ TEST_MAP = {
   "ignition": [
     "mjsunit",
     "cctest",
+    "webkit",
     "message",
   ],
   # This needs to stay in sync with test/optimize_for_size.isolate.