Stacked floats with shape-outside should allow inline content to interact with the non-outermost fl…

Source/core/rendering/shapes/ShapeOutsideInfo.cpp

Index: Source/core/rendering/shapes/ShapeOutsideInfo.cpp
diff --git a/Source/core/rendering/shapes/ShapeOutsideInfo.cpp b/Source/core/rendering/shapes/ShapeOutsideInfo.cpp
index 98bea9a0a1614aa8eab4a135f2e92e22da220b1a..8804bac063df7cb46899044dd98d78fe36fdbaee 100644
--- a/Source/core/rendering/shapes/ShapeOutsideInfo.cpp
+++ b/Source/core/rendering/shapes/ShapeOutsideInfo.cpp
@@ -75,6 +75,7 @@ void ShapeOutsideInfo::updateDeltasForContainingBlockLine(const RenderBlockFlow*
 
                 LayoutUnit rawRightMarginBoxDelta = segments.last().logicalRight - containingBlock->logicalWidthForChild(m_renderer) - containingBlock->marginEndForChild(m_renderer);
                 m_rightMarginBoxDelta = clampTo<LayoutUnit>(rawRightMarginBoxDelta, -floatMarginBoxWidth, LayoutUnit());
+                m_lineOverlapsShape = true;
                 return;
             }
         }
@@ -82,13 +83,9 @@ void ShapeOutsideInfo::updateDeltasForContainingBlockLine(const RenderBlockFlow*
         // Lines that do not overlap the shape should act as if the float
         // wasn't there for layout purposes. So we set the deltas to remove the
         // entire width of the float.
-        // FIXME: The latest CSS Shapes spec says that in this case, the
-        // content should interact with previously stacked floats on the line
-        // as if this outermost float did not exist. Perhaps obviously, this
-        // solution cannot do that, and will be revisted when that part of the
-        // spec is implemented.
         m_leftMarginBoxDelta = floatMarginBoxWidth;
         m_rightMarginBoxDelta = -floatMarginBoxWidth;
+        m_lineOverlapsShape = false;
     }
 }