Rename chromium.mac iOS bots

masters/master.chromium.mac/slaves.cfg

Index: masters/master.chromium.mac/slaves.cfg
diff --git a/masters/master.chromium.mac/slaves.cfg b/masters/master.chromium.mac/slaves.cfg
index 02a47004f217bc40bba48dd9452c95d2fea3d677..8410b2ca7b2ab09d51b1d780a08edafe551456f1 100644
--- a/masters/master.chromium.mac/slaves.cfg
+++ b/masters/master.chromium.mac/slaves.cfg
@@ -62,36 +62,29 @@ slaves = [
   },
   {
     'master': 'ChromiumMac',
-    'hostname': 'vm618-m1',
-    'builder': 'iOS_Simulator_(dbg)',
-    'os': 'mac',
-    'version': '10.9',
-  },
-  {
-    'master': 'ChromiumMac',
     'hostname': 'vm628-m1',
-    'builder': 'iOS_Device',
+    'builder': 'ios-device',
     'os': 'mac',
     'version': '10.9',
   },
   {
     'master': 'ChromiumMac',
-    'hostname': 'vm673-m1',
-    'builder': 'iOS_Device_(ninja)',
+    'hostname': 'vm618-m1',
+    'builder': 'ios-simulator',
     'os': 'mac',
     'version': '10.9',
   },
   {
     'master': 'ChromiumMac',
     'hostname': 'vm18-m1',
-    'builder': 'iOS_Device_GN',
+    'builder': 'ios-device-gn',
     'os': 'mac',
     'version': '10.9',
   },
   {
     'master': 'ChromiumMac',
     'hostname': 'vm21-m1',
-    'builder': 'iOS_Simulator_GN_(dbg)',
+    'builder': 'ios-simulator-gn',
     'os': 'mac',
     'version': '10.9',
   },