Add Windows and Mac laptops to chromium.perf.fyi for power testing.

masters/master.chromium.perf.fyi/master.cfg

Index: masters/master.chromium.perf.fyi/master.cfg
diff --git a/masters/master.chromium.perf.fyi/master.cfg b/masters/master.chromium.perf.fyi/master.cfg
index 101122845e14b4b5f10ba6f5cc94a731a3a0d33b..d3090faf21374fb35f142556056e5382ecf91642 100644
--- a/masters/master.chromium.perf.fyi/master.cfg
+++ b/masters/master.chromium.perf.fyi/master.cfg
@@ -134,19 +134,34 @@ c['builders'].append({'name': 'Win 7 Intel GPU Perf (Xeon)',
   'category': '3windows|builder_testers',
 })
 
-c['builders'].append({'name': 'Win Power Perf (DELL)',
+c['builders'].append({'name': 'Win Power High-DPI Perf',
   'factory': recipe_factory('chromium'),
   'category': '3windows|builder_testers',
 })
 
-c['builders'].append({'name': 'Win Power Perf (HP)',
+c['builders'].append({'name': 'Win Power Low-End 2GB Perf',
+  'factory': recipe_factory('chromium'),
+  'category': '3windows|builder_testers',
+})
+
+c['builders'].append({'name': 'Win Power Low-End 4GB Perf',
   'factory': recipe_factory('chromium'),
   'category': '3windows|builder_testers',
 })
 
 # 4. Mac
 
-c['builders'].append({'name': 'Mac Retina Power Perf',
+c['builders'].append({'name': 'Mac Power Dual-GPU Perf',
+  'factory': recipe_factory('chromium'),
+  'category': '4mac|builder_testers',
+})
+
+c['builders'].append({'name': 'Mac Power Low-End Perf',
+  'factory': recipe_factory('chromium'),
+  'category': '4mac|builder_testers',
+})
+
+c['builders'].append({'name': 'Mac Test Retina Perf',
   'factory': recipe_factory('chromium'),
   'category': '4mac|builder_testers',
 })