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

third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/line-flow-with-floats-8-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/line-flow-with-floats-8-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/line-flow-with-floats-8-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/line-flow-with-floats-8-expected.txt
index ca84a18cfdd4c2717f1a15f0c542e50f871e3cdd..3847f221d2008e66158837362ae3418e883a276a 100644
--- a/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/line-flow-with-floats-8-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/line-flow-with-floats-8-expected.txt
@@ -13,55 +13,10 @@
         },
         {
           "object": "LayoutText #text",
-          "rect": [14, 242, 406, 126],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 188, 406, 72],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 404, 355, 72],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 368, 355, 54],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
           "rect": [14, 404, 355, 36],
           "reason": "forced by layout"
         },
         {
-          "object": "LayoutText #text",
-          "rect": [14, 80, 354, 108],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 368, 336, 18],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [65, 368, 304, 18],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [178, 350, 145, 18],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [127, 350, 145, 18],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutBlockFlow (floating) SPAN id='blueFloat'",
           "rect": [14, 353, 48, 65],
           "reason": "layoutObject removal"