Modify the rebaselining logic to handle skipped tests.

Tools/Scripts/webkitpy/tool/commands/rebaseline.py

Index: Tools/Scripts/webkitpy/tool/commands/rebaseline.py
diff --git a/Tools/Scripts/webkitpy/tool/commands/rebaseline.py b/Tools/Scripts/webkitpy/tool/commands/rebaseline.py
index ec55decae82534757e3b4108ee5b634248206b8f..f707bcca7b60add59de36dabf698140390ef6d63 100644
--- a/Tools/Scripts/webkitpy/tool/commands/rebaseline.py
+++ b/Tools/Scripts/webkitpy/tool/commands/rebaseline.py
@@ -41,7 +41,7 @@ from webkitpy.common.memoized import memoized
 from webkitpy.common.system.executive import ScriptError
 from webkitpy.layout_tests.controllers.test_result_writer import TestResultWriter
 from webkitpy.layout_tests.models import test_failures
-from webkitpy.layout_tests.models.test_expectations import TestExpectations, BASELINE_SUFFIX_LIST
+from webkitpy.layout_tests.models.test_expectations import TestExpectations, BASELINE_SUFFIX_LIST, SKIP
 from webkitpy.layout_tests.port import builders
 from webkitpy.layout_tests.port import factory
 from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand
@@ -152,6 +152,11 @@ class CopyExistingBaselinesInternal(BaseInternalRebaselineCommand):
                 _log.debug("Existing baseline at %s, not copying over it." % new_baseline)
                 continue
 
+            expectations = TestExpectations(port, [test_name])
+            if SKIP in expectations.get_expectations(test_name):

[Dirk Pranke, 2013/08/19 05:40:52]

Ojan, do I need any other expectations in here (in particular, WontFix), or are
the other ones all still modifiers?

[ojan, 2013/08/19 06:05:27]

If it's WontFix, we artificially add Skip at the moment. I tried to change that
at one point and gave up. So, not sure if this should have a FIXME...but it
works for now.

+                _log.debug("%s is skipped on %s." % (test_name, port.name()))
+                continue
+
             old_baselines.append(old_baseline)
             new_baselines.append(new_baseline)