Delete a bunch of paint invalidation rect computing code.

sky/engine/core/rendering/RenderInline.cpp

Index: sky/engine/core/rendering/RenderInline.cpp
diff --git a/sky/engine/core/rendering/RenderInline.cpp b/sky/engine/core/rendering/RenderInline.cpp
index 3c88ea68d48556bb10f5eea87a25e429aef4bce4..6518c6f784ac2c9d5e268fcf75cb087ff853ee2c 100644
--- a/sky/engine/core/rendering/RenderInline.cpp
+++ b/sky/engine/core/rendering/RenderInline.cpp
@@ -607,61 +607,6 @@ LayoutRect RenderInline::linesVisualOverflowBoundingBox() const
     return rect;
 }
 
-LayoutRect RenderInline::clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
-{
-    if (!firstLineBoxIncludingCulling())
-        return LayoutRect();
-
-    LayoutRect paintInvalidationRect(linesVisualOverflowBoundingBox());
-    bool hitPaintInvalidationContainer = false;
-
-    // We need to add in the in-flow position offsets of any inlines (including us) up to our
-    // containing block.
-    RenderBlock* cb = containingBlock();
-    for (const RenderObject* inlineFlow = this; inlineFlow && inlineFlow->isRenderInline() && inlineFlow != cb;
-         inlineFlow = inlineFlow->parent()) {
-        if (inlineFlow == paintInvalidationContainer) {
-            hitPaintInvalidationContainer = true;
-            break;
-        }
-        if (inlineFlow->style()->hasInFlowPosition() && inlineFlow->hasLayer())
-            paintInvalidationRect.move(toRenderInline(inlineFlow)->layer()->offsetForInFlowPosition());
-    }
-
-    LayoutUnit outlineSize = style()->outlineSize();
-    paintInvalidationRect.inflate(outlineSize);
-
-    if (hitPaintInvalidationContainer || !cb)
-        return paintInvalidationRect;
-
-    if (cb->hasOverflowClip())
-        cb->applyCachedClipAndScrollOffsetForPaintInvalidation(paintInvalidationRect);
-
-    // FIXME: Passing paintInvalidationState directly to mapRectToPaintInvalidationBacking causes incorrect invalidations.
-    // Should avoid slowRectMapping by properly adjusting paintInvalidationState. crbug.com/402994.
-    ForceHorriblySlowRectMapping slowRectMapping(paintInvalidationState);
-    cb->mapRectToPaintInvalidationBacking(paintInvalidationContainer, paintInvalidationRect, paintInvalidationState);
-
-    if (outlineSize) {
-        for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling()) {
-            if (!curr->isText())
-                paintInvalidationRect.unite(curr->rectWithOutlineForPaintInvalidation(paintInvalidationContainer, outlineSize));
-        }
-    }
-
-    return paintInvalidationRect;
-}
-
-LayoutRect RenderInline::rectWithOutlineForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const PaintInvalidationState* paintInvalidationState) const
-{
-    LayoutRect r(RenderBoxModelObject::rectWithOutlineForPaintInvalidation(paintInvalidationContainer, outlineWidth, paintInvalidationState));
-    for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling()) {
-        if (!curr->isText())
-            r.unite(curr->rectWithOutlineForPaintInvalidation(paintInvalidationContainer, outlineWidth, paintInvalidationState));
-    }
-    return r;
-}
-
 void RenderInline::mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect& rect, const PaintInvalidationState* paintInvalidationState) const
 {
     if (paintInvalidationState && paintInvalidationState->canMapToContainer(paintInvalidationContainer)) {