Eagerly invalidate when a layer becomes stacking context

third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/transform-inline-layered-child-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/transform-inline-layered-child-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/transform-inline-layered-child-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/transform-inline-layered-child-expected.txt
index 8df5a1db21973ff59ce1b634b298fa5292c9ac53..738164238449675ec9d313cdaddda3829591df9b 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/transform-inline-layered-child-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/transform-inline-layered-child-expected.txt
@@ -17,8 +17,8 @@
           "reason": "subtree"
         },
         {
-          "object": "LayoutText #text",
-          "rect": [135, 361, 159, 194],
+          "object": "LayoutBlockFlow (positioned) DIV id='box'",
+          "rect": [100, 100, 100, 180],
           "reason": "subtree"
         },
         {
@@ -126,6 +126,98 @@
     {
       "object": "LayoutText #text",
       "reason": "subtree"
+    },
+    {
+      "object": "LayoutBlockFlow (positioned) DIV id='box'",
+      "reason": "subtree"
+    },
+    {
+      "object": "RootInlineBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "LayoutInline (relative positioned) SPAN id='child'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineFlowBox",
+      "reason": "subtree"
+    },
+    {
+      "object": "LayoutText #text",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'A B C'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'D E F'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'G H I'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'J K L'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'M N O'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'P Q R'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'S T U'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'V W X'",
+      "reason": "subtree"
+    },
+    {
+      "object": "InlineTextBox 'Y Z'",
+      "reason": "subtree"
+    },
+    {
+      "object": "LayoutText #text",
+      "reason": "subtree"
     }
   ]
 }