Get rid of the full invalidation bool on FrameView.

sky/engine/core/rendering/RenderObject.cpp

Index: sky/engine/core/rendering/RenderObject.cpp
diff --git a/sky/engine/core/rendering/RenderObject.cpp b/sky/engine/core/rendering/RenderObject.cpp
index 427068f3de1850b1a4b6b02ddae3ff7a83456e9c..8398e227594cd3847a8deb784f066307419fc6cc 100644
--- a/sky/engine/core/rendering/RenderObject.cpp
+++ b/sky/engine/core/rendering/RenderObject.cpp
@@ -648,118 +648,6 @@ bool RenderObject::canRenderBorderImage() const
     return borderImage && borderImage->canRender(*this) && borderImage->isLoaded();
 }
 
-bool RenderObject::mustInvalidateFillLayersPaintOnWidthChange(const FillLayer& layer) const
-{
-    // Nobody will use multiple layers without wanting fancy positioning.
-    if (layer.next())
-        return true;
-
-    // Make sure we have a valid image.
-    StyleImage* img = layer.image();
-    if (!img || !img->canRender(*this))
-        return false;
-
-    if (layer.repeatX() != RepeatFill && layer.repeatX() != NoRepeatFill)
-        return true;
-
-    if (layer.xPosition().isPercent() && !layer.xPosition().isZero())
-        return true;
-
-    if (layer.backgroundXOrigin() != LeftEdge)
-        return true;
-
-    EFillSizeType sizeType = layer.sizeType();
-
-    if (sizeType == Contain || sizeType == Cover)
-        return true;
-
-    if (sizeType == SizeLength) {
-        if (layer.sizeLength().width().isPercent() && !layer.sizeLength().width().isZero())
-            return true;
-        if (img->isGeneratedImage() && layer.sizeLength().width().isAuto())
-            return true;
-    } else if (img->usesImageContainerSize()) {
-        return true;
-    }
-
-    return false;
-}
-
-bool RenderObject::mustInvalidateFillLayersPaintOnHeightChange(const FillLayer& layer) const
-{
-    // Nobody will use multiple layers without wanting fancy positioning.
-    if (layer.next())
-        return true;
-
-    // Make sure we have a valid image.
-    StyleImage* img = layer.image();
-    if (!img || !img->canRender(*this))
-        return false;
-
-    if (layer.repeatY() != RepeatFill && layer.repeatY() != NoRepeatFill)
-        return true;
-
-    if (layer.yPosition().isPercent() && !layer.yPosition().isZero())
-        return true;
-
-    if (layer.backgroundYOrigin() != TopEdge)
-        return true;
-
-    EFillSizeType sizeType = layer.sizeType();
-
-    if (sizeType == Contain || sizeType == Cover)
-        return true;
-
-    if (sizeType == SizeLength) {
-        if (layer.sizeLength().height().isPercent() && !layer.sizeLength().height().isZero())
-            return true;
-        if (img->isGeneratedImage() && layer.sizeLength().height().isAuto())
-            return true;
-    } else if (img->usesImageContainerSize()) {
-        return true;
-    }
-
-    return false;
-}
-
-bool RenderObject::mustInvalidateBackgroundOrBorderPaintOnWidthChange() const
-{
-    if (hasMask() && mustInvalidateFillLayersPaintOnWidthChange(style()->maskLayers()))
-        return true;
-
-    // If we don't have a background/border/mask, then nothing to do.
-    if (!hasBoxDecorationBackground())
-        return false;
-
-    if (mustInvalidateFillLayersPaintOnWidthChange(style()->backgroundLayers()))
-        return true;
-
-    // Our fill layers are ok. Let's check border.
-    if (style()->hasBorder() && canRenderBorderImage())
-        return true;
-
-    return false;
-}
-
-bool RenderObject::mustInvalidateBackgroundOrBorderPaintOnHeightChange() const
-{
-    if (hasMask() && mustInvalidateFillLayersPaintOnHeightChange(style()->maskLayers()))
-        return true;
-
-    // If we don't have a background/border/mask, then nothing to do.
-    if (!hasBoxDecorationBackground())
-        return false;
-
-    if (mustInvalidateFillLayersPaintOnHeightChange(style()->backgroundLayers()))
-        return true;
-
-    // Our fill layers are ok.  Let's check border.
-    if (style()->hasBorder() && canRenderBorderImage())
-        return true;
-
-    return false;
-}
-
 void RenderObject::drawLineForBoxSide(GraphicsContext* graphicsContext, int x1, int y1, int x2, int y2,
                                       BoxSide side, Color color, EBorderStyle style,
                                       int adjacentWidth1, int adjacentWidth2, bool antialias)