Enables only building targets effected by changed on a couple of bots

testing/buildbot/chromium_trybot.json

 {
   "compile_targets": [
     "all"
   ],
   "gtest_tests": [
     "accessibility_unittests",
     "app_list_unittests",
     {
       "test": "base_unittests",
       "swarming": {
@@ skipping 181 matching lines @@
     },
     {
       "test": "display_unittests",
       "platforms": ["linux"]
     }
   ],
 
   "non_filter_builders": [
   ],
 
-  "filter_tests_builders": [
-    "linux_chromium_rel_swarming",
-    "win_chromium_rel",
+  "non_filter_tests_builders": [

[sky, 2014/08/21 16:01:35]

filter_tests_builders is no longer used by recipes. Instead it became
non_filter_tests_builders and you have to opt out.

+  ],
+
+  "filter_compile_builders": [
     "win_chromium_rel_swarming",
-    "win_chromium_x64_rel"
+    "win_chromium_x64_rel_swarming"
   ]
 }