Invalidate first line display item clients when first line style changes

third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp

Index: third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp b/third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp
index 5a94a49f17e7bf92aaec23ca80c417f461c30107..974149f37a8e8ab59cc4377097f31b4dd0d09552 100644
--- a/third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp
+++ b/third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp
@@ -1280,6 +1280,20 @@ void InlineFlowBox::collectLeafBoxesInLogicalOrder(Vector<InlineBox*>& leafBoxes
     }
 }
 
+void InlineFlowBox::invalidateDisplayItemClientsOfFirstLine()
+{
+    ASSERT(isFirstLineStyle());
+    layoutObject().invalidateDisplayItemClient(*this);
+    for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
+        if (!curr->isFirstLineStyle())
+            break;
+        if (curr->isInlineFlowBox())
+            toInlineFlowBox(curr)->invalidateDisplayItemClientsOfFirstLine();
+        else
+            curr->layoutObject().invalidateDisplayItemClient(*curr);
+    }
+}
+
 const char* InlineFlowBox::boxName() const
 {
     return "InlineFlowBox";