Disable rootLayerScrolls versions of unit tests on Mac Oilpan.

Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 274 matching lines @@
     switch (config) {
     case Default:
         *os << "Default";
         break;
     case RootLayerScrolls:
         *os << "RootLayerScrolls";
         break;
     }
 }
 
+#if OS(MACOSX) && ENABLE(OILPAN)
+// FIXME(504655): RootLayerScrolls configuration crashes on Mac Oilpan bots.
+INSTANTIATE_TEST_CASE_P(All, ParameterizedWebFrameTest, ::testing::Values(
+    ParameterizedWebFrameTestConfig::Default));
+#else
 INSTANTIATE_TEST_CASE_P(All, ParameterizedWebFrameTest, ::testing::Values(
     ParameterizedWebFrameTestConfig::Default,
     ParameterizedWebFrameTestConfig::RootLayerScrolls));
+#endif
 
 TEST_P(ParameterizedWebFrameTest, ContentText)
 {
     registerMockedHttpURLLoad("iframes_test.html");
     registerMockedHttpURLLoad("visible_iframe.html");
     registerMockedHttpURLLoad("invisible_iframe.html");
     registerMockedHttpURLLoad("zero_sized_iframe.html");
 
     FrameTestHelpers::WebViewHelper webViewHelper(this);
     webViewHelper.initializeAndLoad(m_baseURL + "iframes_test.html");
@@ skipping 1902 matching lines @@
             webViewHelper.webViewImpl()->resize(WebSize(viewportSize.width, viewportSize.height * 0.8f));
             EXPECT_EQ(initialPageScaleFactor, webViewHelper.webViewImpl()->pageScaleFactor());
             EXPECT_EQ(expectedScrollOffset, webViewHelper.webViewImpl()->mainFrame()->scrollOffset());
             webViewHelper.webViewImpl()->resize(WebSize(viewportSize.width, viewportSize.height * 0.8f));
             EXPECT_EQ(initialPageScaleFactor, webViewHelper.webViewImpl()->pageScaleFactor());
             EXPECT_EQ(expectedScrollOffset, webViewHelper.webViewImpl()->mainFrame()->scrollOffset());
         }
     }
 };
 
+#if OS(MACOSX) && ENABLE(OILPAN)
+// FIXME(504655): RootLayerScrolls configuration crashes on Mac Oilpan bots.
+INSTANTIATE_TEST_CASE_P(All, WebFrameResizeTest, ::testing::Values(
+    ParameterizedWebFrameTestConfig::Default));
+#else
 INSTANTIATE_TEST_CASE_P(All, WebFrameResizeTest, ::testing::Values(
     ParameterizedWebFrameTestConfig::Default,
     ParameterizedWebFrameTestConfig::RootLayerScrolls));
+#endif
 
 TEST_P(WebFrameResizeTest, ResizeYieldsCorrectScrollAndScaleForWidthEqualsDeviceWidth)
 {
     // With width=device-width, pageScaleFactor is preserved across resizes as
     // long as the content adjusts according to the device-width.
     const char* url = "resize_scroll_mobile.html";
     const float initialPageScaleFactor = 1;
     const WebSize scrollOffset(0, 50);
     const WebSize viewportSize(120, 160);
     const bool shouldScaleRelativeToViewportWidth = true;
@@ skipping 5610 matching lines @@
 
 TEST_F(WebFrameTest, MaxFramesDetach)
 {
     registerMockedHttpURLLoad("max-frames-detach.html");
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(m_baseURL + "max-frames-detach.html", true);
     webViewImpl->mainFrameImpl()->collectGarbage();
 }
 
 } // namespace blink