Bug 1457243 - Part 6: Hook in the about:blank awsy test to automation. r=bc

--HG--
extra : rebase_source : 9eb7f7bb6609c1aa20fdf1ef3395ce91e5b8afeb

taskcluster/ci/test/awsy.yml

@@ -22,6 +22,17 @@ awsy:
             .*-devedition/.*: []  # don't run on devedition
             default: built-projects
 
+awsy-base:
+    description: "Are we slim yet - about:blank base case"
+    treeherder-symbol: SY(ab)
+    run-on-projects:
+        by-test-platform:
+            .*-devedition/.*: []  # don't run on devedition
+            default: built-projects
+    mozharness:
+        extra-options:
+            - --base
+
 awsy-stylo-sequential:
     description: "Are we slim yet for Stylo sequential"
     treeherder-symbol: SYss(sy)

taskcluster/ci/test/test-sets.yml

@@ -82,6 +82,7 @@ talos:
 
 awsy:
     - awsy
+    - awsy-base
 
 awsy-stylo-sequential:
     - awsy-stylo-sequential

testing/awsy/conf/base-prefs.json

@@ -0,0 +1,14 @@
+{
+    "browser.urlbar.userMadeSearchSuggestionsChoice": true,
+    "javascript.options.asyncstack": false,
+    "image.mem.surfacecache.min_expiration_ms": 10000,
+    "network.proxy.socks": "localhost",
+    "network.proxy.socks_port": 90000,
+    "network.proxy.socks_remote_dns": true,
+    "network.proxy.type": 1,
+    "plugin.disable": true,
+    "startup.homepage_override_url": "",
+    "startup.homepage_welcome_url": "",
+    "browser.startup.homepage": "about:blank",
+    "browser.newtabpage.enabled": false
+}

testing/mozharness/scripts/awsy_script.py

@@ -49,6 +49,12 @@ class AWSY(TestingMixin, MercurialScript, BlobUploadMixin, TooltoolMixin, CodeCo
           "dest": "enable_webrender",
           "default": False,
           "help": "Tries to enable the WebRender compositor.",
+          }],
+        [["--base"],
+         {"action": "store_true",
+          "dest": "test_about_blank",
+          "default": False,
+          "help": "Runs the about:blank base case memory test.",
           }]
     ] + testing_config_options + copy.deepcopy(blobupload_config_options) \
                                + copy.deepcopy(code_coverage_config_options)
@@ -151,7 +157,6 @@ class AWSY(TestingMixin, MercurialScript, BlobUploadMixin, TooltoolMixin, CodeCo
         runtime_testvars_file.close()
 
         cmd = ['marionette']
-        cmd.append("--preferences=%s" % os.path.join(self.awsy_path, "conf", "prefs.json"))
         cmd.append("--testvars=%s" % os.path.join(self.awsy_path, "conf", "testvars.json"))
         cmd.append("--testvars=%s" % runtime_testvars_path)
         cmd.append("--log-raw=-")
@@ -166,7 +171,14 @@ class AWSY(TestingMixin, MercurialScript, BlobUploadMixin, TooltoolMixin, CodeCo
         # self.symbols_path
         cmd.append('--symbols-path=%s' % self.symbols_path)
 
-        test_file = os.path.join(self.awsy_libdir, 'test_memory_usage.py')
+        if self.config['test_about_blank']:
+            test_file = os.path.join(self.awsy_libdir, 'test_base_memory_usage.py')
+            prefs_file = "base-prefs.json"
+        else:
+            test_file = os.path.join(self.awsy_libdir, 'test_memory_usage.py')
+            prefs_file = "prefs.json"
+
+        cmd.append("--preferences=%s" % os.path.join(self.awsy_path, "conf", prefs_file))
         cmd.append(test_file)
 
         if self.config['single_stylo_traversal']: