Fix geometry mapping issues for float under inline

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h

Index: third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
diff --git a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
index 350073f43cf0682d3f919badd70ad5b98878da83..d5e3a0f438432acf523a56ff1ab21b673e20469a 100644
--- a/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
+++ b/third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilder.h
@@ -65,6 +65,11 @@ struct PaintPropertyTreeBuilderContext {
 
   ContainingBlockContext fixedPosition;
 
+  // This is the same as current.paintOffset except when a floating object has

[chrishtr, 2016/12/16 22:10:30]

Nit: add a comma after paintOffset

+  // non-block ancestors under its containing block. Paint offsets of the
+  // non-block ancestors should not be accumulated for the floating object.
+  LayoutPoint paintOffsetForFloat;
+
   // The effect hierarchy is applied by the stacking context tree. It is
   // guaranteed that every DOM descendant is also a stacking context descendant.
   // Therefore, we don't need extra bookkeeping for effect nodes and can
@@ -135,8 +140,8 @@ class PaintPropertyTreeBuilder {
   static void updateScrollAndScrollTranslation(
       const LayoutObject&,
       PaintPropertyTreeBuilderContext&);
-  static void updateOutOfFlowContext(const LayoutObject&,
-                                     PaintPropertyTreeBuilderContext&);
+  static void updateOutOfFlowAndFloatContext(const LayoutObject&,
+                                             PaintPropertyTreeBuilderContext&);
 };
 
 }  // namespace blink