Let siblings layout if an adjacent float may no longer affect them

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

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
index 9fd14255efb568cc83fcfc7da64129b8aba15919..9b3620e03bbc372282379f70bfb8d34e16be3372 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
@@ -689,8 +689,10 @@ void LayoutBlockFlow::MarkDescendantsWithFloatsForLayoutIfNeeded(
   } else if (!child.AvoidsFloats() || child.ShrinkToAvoidFloats()) {
     // If an element might be affected by the presence of floats, then always
     // mark it for layout.
-    if (std::max(previous_float_logical_bottom, LowestFloatLogicalBottom()) >
-        new_logical_top)
+    LayoutUnit lowest_float =
+        std::max(previous_float_logical_bottom, LowestFloatLogicalBottom());
+    lowest_float = std::max(lowest_float, child.LowestFloatLogicalBottom());
+    if (lowest_float > new_logical_top)
       mark_descendants_with_floats = true;
   }