Revert of Disable broken WebKit tests on Win7 Debug

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index bba4991b79805982892c57de378c8c57bf6a8001..ade0041574774ebe0a19dbb815508f90471254d2 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -1308,11 +1308,3 @@ crbug.com/490015 virtual/stable/http/tests/navigation/beacon-blob-with-non-simpl
 crbug.com/490015 virtual/stable/http/tests/navigation/same-and-different-back.html [ Skip ]
 
 crbug.com/638850 [ Mac10.10 ] svg/custom/repaint-on-constant-size-change.svg [ Pass Failure ]
-
-crbug.com/639179 [ Win7 Debug ] compositing/reflections/nested-reflection-transformed.html [ Skip ]
-crbug.com/639179 [ Win7 Debug ] compositing/reflections/nested-reflection-transformed2.html [ Skip ]
-crbug.com/639179 [ Win7 Debug ] compositing/reflections/reflection-in-composited.html [ Skip ]
-crbug.com/639179 [ Win7 Debug ] css3/filters/filter-repaint-shadow-rotated.html [ Skip ]
-crbug.com/639179 [ Win7 Debug ] fast/css/transformed-mask.html [ Skip ]
-crbug.com/639179 [ Win7 Debug ] fast/reflections/opacity-reflection-transform.html [ Skip ]
-crbug.com/639179 [ Win7 Debug ] fast/repaint/reflection-repaint-test.html [ Skip ]