Remove XP port from Blink LayoutTest related scripts.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/test.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/test.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/test.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/test.py
index 90b2c5704e6607ce51271369bbcb2ecf5350577f..b4bdaf12731d51042acf69dc76ba1ed9e9e381d7 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/test.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/test.py
@@ -362,16 +362,22 @@ class TestPort(Port):
     port_name = 'test'
     default_port_name = 'test-mac-leopard'
 
-    """Test implementation of the Port interface."""
+    # TODO(wkorman): The below constant is legacy code and is only referenced by a unit test. Find the modern way to do
+    # the same thing that test is doing and delete this.
+    #
+    # A list of platform names sufficient to cover all the baselines.
+    # The list should be sorted so that a later platform  will reuse
+    # an earlier platform's baselines if they are the same (e.g.,
+    # 'mac10.10' should precede 'mac10.9').
     ALL_BASELINE_VARIANTS = (
         'test-linux-trusty', 'test-linux-precise', 'test-linux-x86',
         'test-mac-snowleopard', 'test-mac-leopard',
-        'test-win-win7', 'test-win-xp',
+        'test-win-win10', 'test-win-win7'
     )
 
     FALLBACK_PATHS = {
-        'xp':          ['test-win-win7', 'test-win-xp'],
-        'win7':        ['test-win-win7'],
+        'win7':        ['test-win-win7', 'test-win-win10'],
+        'win10':       ['test-win-win10'],
         'leopard':     ['test-mac-leopard', 'test-mac-snowleopard'],
         'snowleopard': ['test-mac-snowleopard'],
         'trusty':      ['test-linux-trusty', 'test-win-win7'],
@@ -409,8 +415,8 @@ class TestPort(Port):
             self._operating_system = 'linux'
 
         version_map = {
-            'test-win-xp': 'xp',
             'test-win-win7': 'win7',
+            'test-win-win10': 'win10',
             'test-mac-leopard': 'leopard',
             'test-mac-snowleopard': 'snowleopard',
             'test-linux-x86': 'linux32',
@@ -423,7 +429,7 @@ class TestPort(Port):
             self._architecture = 'x86_64'
 
     def buildbot_archives_baselines(self):
-        return self._name != 'test-win-xp'
+        return self._name != 'test-win-win7'
 
     def default_pixel_tests(self):
         return True
@@ -515,7 +521,7 @@ class TestPort(Port):
         return self._generic_expectations_path
 
     def _port_specific_expectations_files(self):
-        return [self._filesystem.join(self._webkit_baseline_path(d), 'TestExpectations') for d in ['test', 'test-win-xp']]
+        return [self._filesystem.join(self._webkit_baseline_path(d), 'TestExpectations') for d in ['test', 'test-win-win7']]
 
     def all_test_configurations(self):
         """Returns a sequence of the TestConfigurations the port supports."""
@@ -533,8 +539,8 @@ class TestPort(Port):
     def _all_systems(self):
         return (('leopard', 'x86'),
                 ('snowleopard', 'x86'),
-                ('xp', 'x86'),
                 ('win7', 'x86'),
+                ('win10', 'x86'),
                 ('linux32', 'x86'),
                 ('precise', 'x86_64'),
                 ('trusty', 'x86_64'))
@@ -546,13 +552,10 @@ class TestPort(Port):
         """To avoid surprises when introducing new macros, these are intentionally fixed in time."""
         return {
             'mac': ['leopard', 'snowleopard'],
-            'win': ['xp', 'win7'],
+            'win': ['win7', 'win10'],
             'linux': ['linux32', 'precise', 'trusty']
         }
 
-    def all_baseline_variants(self):
-        return self.ALL_BASELINE_VARIANTS
-
     def virtual_test_suites(self):
         return [
             VirtualTestSuite(prefix='virtual_passes', base='passes', args=['--virtual-arg']),