Remove pinch viewports.

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 ecd83e5d4bf5f5a12477fa56ae68748964999dce..29ce79454057eefb7fa8fb864cdf258d3b1bb37e 100644
--- a/sky/engine/web/WebViewImpl.h
+++ b/sky/engine/web/WebViewImpl.h
@@ -76,7 +76,6 @@ public:
     virtual WebSize size() override;
     virtual void willStartLiveResize() override;
     virtual void resize(const WebSize&) override;
-    virtual void resizePinchViewport(const WebSize&) override;
     virtual void willEndLiveResize() override;
 
     virtual void beginFrame(const WebBeginFrameArgs&) override;
@@ -150,8 +149,6 @@ public:
     virtual float setTextZoomFactor(float) override;
     virtual bool zoomToMultipleTargetsRect(const WebRect&) override;
     virtual void setMainFrameScrollOffset(const WebPoint&) override;
-    virtual void setPinchViewportOffset(const WebFloatPoint&) override;
-    virtual WebFloatPoint pinchViewportOffset() const override;
     virtual void resetScrollAndScaleState() override;
     virtual WebSize contentsPreferredMinimumSize() override;
 
@@ -327,8 +324,6 @@ public:
     // Exposed for tests.
     WebVector<WebCompositionUnderline> compositionUnderlines() const;
 
-    bool pinchVirtualViewportEnabled() const;
-
     bool matchesHeuristicsForGpuRasterizationForTesting() const { return m_matchesHeuristicsForGpuRasterization; }
 
 private: