Remove some straggling zoom-related code.

sky/engine/web/WebViewImpl.h

Index: sky/engine/web/WebViewImpl.h
diff --git a/sky/engine/web/WebViewImpl.h b/sky/engine/web/WebViewImpl.h
index 3109922c061b683211b1863bd44af6e69928273b..7c0f2b3b8d27344159f8436fc85cab381753a5f9 100644
--- a/sky/engine/web/WebViewImpl.h
+++ b/sky/engine/web/WebViewImpl.h
@@ -138,9 +138,7 @@ public:
     virtual void setInitialFocus(bool reverse) override;
     virtual void clearFocusedElement() override;
     virtual void scrollFocusedNodeIntoRect(const WebRect&) override;
-    virtual void zoomToFindInPageRect(const WebRect&) override;
     virtual void advanceFocus(bool reverse) override;
-    virtual bool zoomToMultipleTargetsRect(const WebRect&) override;
     virtual void setMainFrameScrollOffset(const WebPoint&) override;
     virtual void resetScrollAndScaleState() override;
     virtual WebSize contentsPreferredMinimumSize() override;
@@ -277,8 +275,6 @@ public:
     void enableTapHighlights(Vector<RawPtr<Node> >&);
     void computeScaleAndScrollForFocusedNode(Node* focusedNode, float& scale, IntPoint& scroll, bool& needAnimation);
 
-    void animateDoubleTapZoom(const IntPoint&);
-
     void clearCompositedSelectionBounds();
 
     // Exposed for the purpose of overriding device metrics.