Rip out Settings::fixedPositionCreatesStackingContext

public/web/WebSettings.h

Index: public/web/WebSettings.h
diff --git a/public/web/WebSettings.h b/public/web/WebSettings.h
index 520f9bbf480c3d59734ecaba2519c86d9a40d52f..ac0403881ac0364d60dc5241a0c80e4c9bb5bdfe 100644
--- a/public/web/WebSettings.h
+++ b/public/web/WebSettings.h
@@ -114,7 +114,6 @@ public:
     virtual void setExperimentalWebSocketEnabled(bool) = 0;
     virtual void setFantasyFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
     virtual void setFixedFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
-    virtual void setFixedPositionCreatesStackingContext(bool) = 0;
     virtual void setForceCompositingMode(bool) = 0;
     virtual void setFullScreenEnabled(bool) = 0;
     virtual void setGestureTapHighlightEnabled(bool) = 0;
@@ -201,6 +200,9 @@ public:
     virtual void setWideViewportQuirkEnabled(bool) = 0;
     virtual void setXSSAuditorEnabled(bool) = 0;
 
+    // FIXME: Remove these unused settings.
+    virtual void setFixedPositionCreatesStackingContext(bool) { }
+
 protected:
     ~WebSettings() { }
 };