Remove Constructor attributes on DOMWindow because of [EnabledAtRuntime]

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index bd84df78fa6315c3ce2697ebcaf99549b6748f3c..a36f62ea9945d2c9b7714ceedc414a757c578e2a 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -115,6 +115,10 @@ webkit.org/b/100071 virtual/gpu/fast/canvas/canvas-blend-solid.html [ Pass Timeo
 webkit.org/b/60877 loader/navigation-while-deferring-loads.html [ Skip ]
 webkit.org/b/60877 loader/load-defer-resume-crash.html [ Skip ]
 
+# Unskip when DeviceMotion is implemented and enabled at runtime.

[do-not-use, 2013/06/10 09:58:35]

Alternatively, we could rebaseline those. This seems to be the approach chosen
for fast/dom/DeviceMotion/window-property.html which fails because the window
constructor is disabled at runtime.

[haraken, 2013/06/10 10:14:56]

Why does this CL change the behavior? I expected this CL doesn't change
generated code.

+crbug.com/229080 fast/dom/DeviceMotion/create-event.html [ Failure ]
+crbug.com/229080 fast/dom/DeviceMotion/optional-event-properties.html [ Failure ]
+
 # Overflowing LayoutUnits cause RenderGeometryMap assertions
 webkit.org/b/67434 [ Debug ] fast/overflow/overflow-height-float-not-removed-crash.html [ Skip ]
 webkit.org/b/67434 [ Debug ] fast/overflow/overflow-height-float-not-removed-crash2.html [ Skip ]