Revert of Oilpan: Use the OilpanExpectations for oilpan specific test...

Revert of Oilpan: Use the OilpanExpectations for oilpan specific test expectations. (https://codereview.chromium.org/183683012/)

Reason for revert:
Only the release oilpan layout tests are run with the --additional-expectations flag. Reverting back to using TestExpectations for now.

Original issue's description:
> Oilpan: Use the OilpanExpectations for oilpan specific test expectations.
> 
> R=erik.corry@gmail.com, haraken@chromium.org
> BUG=
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=168366

TBR=erik.corry@gmail.com,haraken@chromium.org,wibling@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/186403004

git-svn-id: svn://svn.chromium.org/blink/trunk@168378 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/OilpanExpectations

 # This file is used by the Oilpan bots (and anyone building in that config)
 # to track Oilpan-specific failures.
 
-# With Oilpan, the parent pointer in the CSSRule hierarchy is
-# strong. This is the intended behavior.
-crbug.com/345630 fast/dom/StyleSheet/gc-parent-rule.html [ Failure ]
-crbug.com/345655 fast/dom/StyleSheet/detached-parent-rule-without-wrapper.html [ Failure ]
-

third_party/WebKit/LayoutTests/TestExpectations

@@ -1234,3 +1234,7 @@ crbug.com/114658 virtual/softwarecompositing/layout-width-change.html [ NeedsReb
 
 # Failing on Mac since r168339
 crbug.com/348911 [ Mac ] fast/text/international/rtl-space-in-ltr-element.html [ Failure ]
+
+# Temporary until the oilpan test bots understand the special oilpan test expectations
+crbug.com/345630 fast/dom/StyleSheet/gc-parent-rule.html [ Failure Pass ]
+crbug.com/345655 fast/dom/StyleSheet/detached-parent-rule-without-wrapper.html [ Failure Pass ]