Don't invalidate rect if it's covered by fully invalidated parent's visual rect

third_party/WebKit/LayoutTests/paint/invalidation/bugzilla-6473-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/bugzilla-6473-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/bugzilla-3509-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/bugzilla-6473-expected.txt
similarity index 59%
copy from third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/bugzilla-3509-expected.txt
copy to third_party/WebKit/LayoutTests/paint/invalidation/bugzilla-6473-expected.txt
index 5af7b30164836d9bbe7afece1b6567e3294f336f..9f08bfe70650437751880ca8e7d1017570e7bfd8 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/bugzilla-3509-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/bugzilla-6473-expected.txt
@@ -7,21 +7,20 @@
       "drawsContent": true,
       "paintInvalidations": [
         {
-          "object": "LayoutBlockFlow DIV id='im'",
-          "rect": [11, 131, 100, 100],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [11, 131, 4, 19],
-          "reason": "forced by layout"
+          "object": "LayoutBlockFlow DIV id='allcontent'",
+          "rect": [8, 130, 784, 50],
+          "reason": "style change"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "LayoutBlockFlow DIV id='im'",
+      "object": "LayoutBlockFlow DIV id='allcontent'",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutBlockFlow (relative positioned) P",
       "reason": "forced by layout"
     },
     {
@@ -33,7 +32,7 @@
       "reason": "forced by layout"
     },
     {
-      "object": "InlineTextBox '\u00A0'",
+      "object": "InlineTextBox 'SUCCESS'",
       "reason": "forced by layout"
     }
   ]