Re-enable LayoutTable{Cell,Row}DeathTest.* on non-Mac

third_party/WebKit/Source/core/layout/LayoutTableRowTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 29 matching lines @@
     }
 
     virtual void TearDown()
     {
         m_row->destroy();
     }
 
     LayoutTableRow* m_row;
 };
 
-// TODO(esprehn): Disabled all of these tests because they're flaky: crbug.com/630625
-TEST_F(LayoutTableRowDeathTest, DISABLED_CanSetRow)
+TEST_F(LayoutTableRowDeathTest, CanSetRow)
 {
     static const unsigned rowIndex = 10;
     m_row->setRowIndex(rowIndex);
     EXPECT_EQ(rowIndex, m_row->rowIndex());
 }
 
-TEST_F(LayoutTableRowDeathTest, DISABLED_CanSetRowToMaxRowIndex)
+TEST_F(LayoutTableRowDeathTest, CanSetRowToMaxRowIndex)
 {
     m_row->setRowIndex(maxRowIndex);
     EXPECT_EQ(maxRowIndex, m_row->rowIndex());
 }
 
 // FIXME: Re-enable these tests once ASSERT_DEATH is supported for Android.
 // See: https://bugs.webkit.org/show_bug.cgi?id=74089
-#if !OS(ANDROID)
+// TODO(dgrogan): These tests started flaking on Mac try bots around 2016-07-28.
+// https://crbug.com/632816
+#if !OS(ANDROID) && !OS(MACOSX)
 
-TEST_F(LayoutTableRowDeathTest, DISABLED_CrashIfRowOverflowOnSetting)
+TEST_F(LayoutTableRowDeathTest, CrashIfRowOverflowOnSetting)
 {
     ASSERT_DEATH(m_row->setRowIndex(maxRowIndex + 1), "");
 }
 
-TEST_F(LayoutTableRowDeathTest, DISABLED_CrashIfSettingUnsetRowIndex)
+TEST_F(LayoutTableRowDeathTest, CrashIfSettingUnsetRowIndex)
 {
     ASSERT_DEATH(m_row->setRowIndex(unsetRowIndex), "");
 }
 
 #endif
 
 using LayoutTableRowTest = RenderingTest;
 
 TEST_F(LayoutTableRowTest, BackgroundIsKnownToBeOpaqueWithLayerAndCollapsedBorder)
 {
@@ skipping 22 matching lines @@
         "<tr style='background-color: blue'><td>Cell</td><td>Cell</td></tr>"
         "</table>");
 
     LayoutTableRow* row = toLayoutTableRow(document().body()->firstChild()->firstChild()->firstChild()->layoutObject());
     EXPECT_FALSE(row->backgroundIsKnownToBeOpaqueInRect(LayoutRect(0, 0, 1, 1)));
 }
 
 } // anonymous namespace
 
 } // namespace blink