Re-enable viz_browser_tests on Windows

Previously we disabled the viz_browser_tests on Windows due to a large volume of flaky timeouts. We've disabled those tests via a filter file, and our FYI bots have stabilized.

This change re-enables them on the Windows configurations.

Change-Id: I5976ea8ad0cb2738e884878a7502eaabf0801bde
Reviewed-on: https://chromium-review.googlesource.com/960592Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#546310}

testing/buildbot/chromium.win.json

@@ -64,6 +64,18 @@
         },
         "test": "browser_tests"
       },
+      {
+        "args": [
+          "--enable-features=VizDisplayCompositor",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/viz.browser_tests.filter"
+        ],
+        "name": "viz_browser_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "shards": 10
+        },
+        "test": "browser_tests"
+      },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -660,6 +672,18 @@
         },
         "test": "browser_tests"
       },
+      {
+        "args": [
+          "--enable-features=VizDisplayCompositor",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/viz.browser_tests.filter"
+        ],
+        "name": "viz_browser_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "shards": 10
+        },
+        "test": "browser_tests"
+      },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -1838,6 +1862,18 @@
         },
         "test": "browser_tests"
       },
+      {
+        "args": [
+          "--enable-features=VizDisplayCompositor",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/viz.browser_tests.filter"
+        ],
+        "name": "viz_browser_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "shards": 10
+        },
+        "test": "browser_tests"
+      },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
@@ -2448,6 +2484,18 @@
         },
         "test": "browser_tests"
       },
+      {
+        "args": [
+          "--enable-features=VizDisplayCompositor",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/viz.browser_tests.filter"
+        ],
+        "name": "viz_browser_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "shards": 10
+        },
+        "test": "browser_tests"
+      },
       {
         "swarming": {
           "can_use_on_swarming_builders": true

testing/buildbot/filters/viz.browser_tests.filter

@@ -94,6 +94,7 @@
 
 # Windows timeouts. https://crbug.com/821029
 -ManifestVerifierBrowserTest.*
+-PDFIsolatedExtensionTest.MultipleDomains
 -PrefHashBrowserTest*
 -UserInitiatedRunsDisabled*
 -UserInitiatedRunsEnabled*

testing/buildbot/test_suite_exceptions.pyl

@@ -3492,15 +3492,6 @@
       'Linux ASan LSan Tests (1)',
     ],
   },
-  'viz_browser_tests': {
-    'remove_from': [
-      # Currently too flaky on Windows.
-      'Win 7 Tests x64 (1)',
-      'Win10 Tests x64',
-      'Win7 Tests (1)',
-      'Win7 Tests (dbg)(1)',
-    ],
-  },
   'viz_unittests': {
     'remove_from': [
       # On chromium.android, unclear why these aren't run on all bots.