Adjust visual overflow rect for rounded/shifted ascent/descent

third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/ruby-flipped-blocks-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
-          "object": "LayoutMultiColumnFlowThread (anonymous)",
-          "rect": [9, 9, 400, 100],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutInline SPAN id='a'",
-          "rect": [234, 9, 300, 59],
+          "object": "LayoutBlockFlow DIV",
+          "rect": [8, 8, 30, 40],
           "reason": "forced by layout"
         },
         {
           "object": "LayoutText #text",
-          "rect": [234, 15, 300, 50],
-          "reason": "layoutObject insertion"
+          "rect": [7, 28, 22, 20],
+          "reason": "style change"
         },
         {
           "object": "LayoutText #text",
-          "rect": [234, 15, 50, 50],
-          "reason": "layoutObject removal"
+          "rect": [7, 8, 22, 20],
+          "reason": "forced by layout"
+        },
+        {
+          "object": "LayoutRubyRun (anonymous)",
+          "rect": [8, 28, 20, 20],
+          "reason": "forced by layout"
         },
         {
           "object": "LayoutText #text",
-          "rect": [9, 9, 13, 59],
-          "reason": "forced by layout"
+          "rect": [27, 33, 12, 10],
+          "reason": "style change"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "LayoutText #text",
-      "reason": "layoutObject removal"
-    },
-    {
-      "object": "LayoutMultiColumnFlowThread (anonymous)",
+      "object": "LayoutBlockFlow DIV",
       "reason": "forced by layout"
     },
     {
       "object": "RootInlineBox",
       "reason": "forced by layout"
     },
     {
       "object": "LayoutText #text",
       "reason": "forced by layout"
     },
     {
-      "object": "InlineTextBox '\u00A0'",
+      "object": "InlineTextBox 'a'",
       "reason": "forced by layout"
     },
     {
-      "object": "LayoutBR BR",
-      "reason": "forced by layout"
-    },
-    {
-      "object": "InlineTextBox '\n'",
-      "reason": "forced by layout"
-    },
-    {
-      "object": "LayoutInline SPAN id='a'",
-      "reason": "forced by layout"
-    },
-    {
-      "object": "InlineFlowBox",
+      "object": "LayoutRubyRun (anonymous)",
       "reason": "forced by layout"
     },
     {
       "object": "LayoutText #text",
-      "reason": "layoutObject insertion"
+      "reason": "style change"
     },
     {
-      "object": "InlineTextBox 'XXXXXX'",
-      "reason": "layoutObject insertion"
+      "object": "InlineTextBox 'c'",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutRubyBase (anonymous)",
+      "reason": "style change"
+    },
+    {
+      "object": "RootInlineBox",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutText #text",
+      "reason": "style change"
+    },
+    {
+      "object": "InlineTextBox 'b'",
+      "reason": "style change"
     }
   ]
 }