NOT FOR LANDING Allocate SVGImageForContainer on demand

third_party/WebKit/Source/core/layout/LayoutImage.cpp

Index: third_party/WebKit/Source/core/layout/LayoutImage.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutImage.cpp b/third_party/WebKit/Source/core/layout/LayoutImage.cpp
index 81810151bf3ef564658fbe8d077bf6425da70581..31309d4b18452a587f6b252d541c876f9691bed4 100644
--- a/third_party/WebKit/Source/core/layout/LayoutImage.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutImage.cpp
@@ -137,15 +137,6 @@ void LayoutImage::updateIntrinsicSizeIfNeeded(const LayoutSize& newSize)
     setIntrinsicSize(newSize);
 }
 
-void LayoutImage::updateInnerContentRect()
-{
-    // Propagate container size to the image resource.
-    LayoutRect containerRect = replacedContentRect();
-    IntSize containerSize(containerRect.width(), containerRect.height());
-    if (!containerSize.isEmpty())
-        m_imageResource->setContainerSizeForLayoutObject(containerSize);
-}
-
 void LayoutImage::invalidatePaintAndMarkForLayoutIfNeeded()
 {
     LayoutSize oldIntrinsicSize = intrinsicSize();
@@ -176,16 +167,7 @@ void LayoutImage::invalidatePaintAndMarkForLayoutIfNeeded()
         return;
     }
 
-    // The image hasn't changed in size or its style constrains its size, so a paint invalidation will suffice.
-    if (everHadLayout() && !selfNeedsLayout()) {
-        // The inner content rectangle is calculated during layout, but may need an update now
-        // (unless the box has already been scheduled for layout). In order to calculate it, we
-        // may need values from the containing block, though, so make sure that we're not too
-        // early. It may be that layout hasn't even taken place once yet.
-        updateInnerContentRect();
-    }
-
-    if (imageResource() && imageResource()->image() && imageResource()->image()->maybeAnimated())
+    if (imageResource() && imageResource()->maybeAnimated())
         setShouldDoFullPaintInvalidation(PaintInvalidationDelayedFull);
     else
         setShouldDoFullPaintInvalidation(PaintInvalidationFull);
@@ -300,12 +282,6 @@ bool LayoutImage::nodeAtPoint(HitTestResult& result, const HitTestLocation& loca
     return inside;
 }
 
-void LayoutImage::layout()
-{
-    LayoutReplaced::layout();
-    updateInnerContentRect();
-}
-
 void LayoutImage::computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio) const
 {
     LayoutReplaced::computeIntrinsicRatioInformation(intrinsicSize, intrinsicRatio);