Delete a bunch of noop paint invalidation code.

sky/engine/platform/graphics/Canvas2DImageBufferSurface.h

Index: sky/engine/platform/graphics/Canvas2DImageBufferSurface.h
diff --git a/sky/engine/platform/graphics/Canvas2DImageBufferSurface.h b/sky/engine/platform/graphics/Canvas2DImageBufferSurface.h
index 5c1dfbc1e37a2e0f14f92e27142253509c8f6cc9..40471ea2e2576c30f1638abb2a553f5fd84c43ab 100644
--- a/sky/engine/platform/graphics/Canvas2DImageBufferSurface.h
+++ b/sky/engine/platform/graphics/Canvas2DImageBufferSurface.h
@@ -53,7 +53,7 @@ public:
     }
 
     // ImageBufferSurface implementation
-    virtual void finalizeFrame(const FloatRect &dirtyRect) override { m_layerBridge->finalizeFrame(dirtyRect); }
+    virtual void finalizeFrame() override { m_layerBridge->finalizeFrame(); }
     virtual void willAccessPixels() override { m_layerBridge->willAccessPixels(); }
     virtual SkCanvas* canvas() const override { return m_layerBridge->canvas(); }
     virtual bool isValid() const override { return m_layerBridge && m_layerBridge->checkSurfaceValid(); }