[ChromeDriver] Enable disabled tests on Mac

These tests are now passing with the updated Java tests.

Bug: chromedriver:2748
Bug: chromedriver:2664
Change-Id: I8dc3885410104c663e99f809de4de47a1c9e1dbc
Reviewed-on: https://chromium-review.googlesource.com/c/1432054
Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Artur Khachatryan <khachatryan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#625446}
diff --git a/chrome/test/chromedriver/test/test_expectations b/chrome/test/chromedriver/test/test_expectations
index df1b790..2ab5348 100644
--- a/chrome/test/chromedriver/test/test_expectations
+++ b/chrome/test/chromedriver/test/test_expectations
@@ -40,18 +40,6 @@
 _OS_NEGATIVE_FILTER['linux'] = [
 ]
 _OS_NEGATIVE_FILTER['mac'] = [
-    # https://bugs.chromium.org/p/chromedriver/issues/detail?id=2664
-    'WindowTest.canFullscreenTheWindow',
-    'WindowTest.testSetsTheSizeOfTheCurrentWindowFromIframe',
-    'WindowTest.testSetsTheSizeOfTheCurrentWindowFromFrame',
-    'WindowTest.canFullscreenTheWindowFromFrame',
-    'WindowTest.canFullscreenTheWindowFromIframe',
-    'WindowTest.testSetsTheSizeOfTheCurrentWindow',
-    'BasicMouseInterfaceTest.testMovingMouseByRelativeOffset',
-    # https://bugs.chromium.org/p/chromedriver/issues/detail?id=2748
-    'WindowTest.testCanMaximizeTheWindowFromFrame',
-    'WindowTest.testCanMaximizeTheWindowFromIframe',
-    'WindowTest.testCanMaximizeTheWindow',
 ]
 
 _SPECIFIC_OS_REVISION_NEGATIVE_FILTER = {}