Rename Mac/Win GN builders to GYP builders.

scripts/slave/recipe_modules/chromium_tests/trybots.py

Index: scripts/slave/recipe_modules/chromium_tests/trybots.py
diff --git a/scripts/slave/recipe_modules/chromium_tests/trybots.py b/scripts/slave/recipe_modules/chromium_tests/trybots.py
index 7e2bbacc5295bcfaee68e1c6a2a73048be94253b..f5b53995caa2fc90565f997227d55b89caea8edb 100644
--- a/scripts/slave/recipe_modules/chromium_tests/trybots.py
+++ b/scripts/slave/recipe_modules/chromium_tests/trybots.py
@@ -391,13 +391,23 @@ TRYBOTS = freeze({
         'tester': 'Mac10.9 Tests (dbg)',
       }),
       'mac_chromium_gn_dbg': simple_bot({
+        # TODO(dpranke): Remove after masters have restarted.
         'mastername': 'chromium.mac',
         'buildername': 'Mac GN (dbg)',
       }),
+      'mac_chromium_gyp_dbg': simple_bot({
+        'mastername': 'chromium.mac',
+        'buildername': 'Mac GYP (dbg)',
+      }),
       'mac_chromium_gn_rel': simple_bot({
+        # TODO(dpranke): Remove after masters have restarted.
         'mastername': 'chromium.mac',
         'buildername': 'Mac GN',
       }),
+      'mac_chromium_gyp_rel': simple_bot({
+        'mastername': 'chromium.mac',
+        'buildername': 'Mac GYP',
+      }),
       'mac_chromium_rel_ng': {
         'bot_ids': [
           {
@@ -519,12 +529,22 @@ TRYBOTS = freeze({
         'tester': 'Win 7 Tests x64 (1)',
       }),
       'win8_chromium_ng': simple_bot({
+        # TODO(dpranke): Remove after masters have restarted.
         'mastername': 'chromium.win',
         'buildername': 'Win8 Aura',
       }),
+      'win8_chromium_gyp_rel': simple_bot({
+        'mastername': 'chromium.win',
+        'buildername': 'Win8 GYP',
+      }),
       'win8_chromium_gn_dbg': simple_bot({
+        # TODO(dpranke): Remove after masters have restarted.
+        'mastername': 'chromium.win',
+        'buildername': 'Win8 GYP (dbg)',
+      }),
+      'win8_chromium_gyp_dbg': simple_bot({
         'mastername': 'chromium.win',
-        'buildername': 'Win8 GN (dbg)',
+        'buildername': 'Win8 GYP (dbg)',
       }),
       'win_clang': simple_bot({
         'mastername': 'chromium.win',