Simplify incremental paint invalidation

third_party/WebKit/LayoutTests/platform/mac/paint/invalidation/japanese-rl-selection-repaint-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutText #text",
-          "rect": [416, 576, 356, 7],
-          "reason": "incremental"
+          "rect": [416, 23, 356, 560],
+          "reason": "full"
         },
         {
           "object": "LayoutText #text",
           "rect": [420, 23, 352, 560],
           "reason": "selection"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
@@ skipping 48 matching lines @@
     {
       "object": "InlineTextBox '\u3066\u3057\u307E\u3063\u305F\u7D4C\u9A13\u306F\u3042\u308A\u307E\u3059\u304B \u306A\u3089\u30BF\u30A4\u30C8\u30EB\u3068\u30A2\u30C9\u30EC\u30B9\u3060'",
       "reason": "selection"
     },
     {
       "object": "InlineTextBox '\u3051\u3067\u306A\u304F\u3001\u8A2A\u554F'",
       "reason": "selection"
     },
     {
       "object": "LayoutText #text",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u305B\u3063\u304B\u304F\u898B\u3064\u3051\u305F\u3059\u3070\u3089\u3057\u3044\u8A18\u4E8B\u304C\u3069\u3053\u306B\u3042\u3063\u305F\u304B\u5FD8\u308C'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u3066\u3057\u307E\u3063\u305F\u7D4C\u9A13\u306F\u3042\u308A\u307E\u3059\u304B\u306A\u3089\u30BF\u30A4\u30C8\u30EB\u3068\u30A2\u30C9\u30EC\u30B9\u3060'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u3051\u3067\u306A\u304F\u3001\u8A2A\u554F\u3057\u305F\u30A6\u30A7\u30D6\u30DA\u30FC\u30B8\u306E\u30B3\u30F3\u30C6\u30F3\u30C4\u304B\u3089\u3082\u691C'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u7D22\u3059\u308B\u3053\u3068\u304C\u3067\u304D\u307E\u3059\u3002\u305B\u3063\u304B\u304F\u898B\u3064\u3051\u305F\u3059\u3070\u3089\u3057\u3044\u8A18\u4E8B'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u304C\u3069\u3053\u306B\u3042\u3063\u305F\u304B\u5FD8\u308C\u3066\u3057\u307E\u3063\u305F\u7D4C\u9A13\u306F\u3042\u308A\u307E\u3059\u304B \u306A\u3089'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u30BF\u30A4\u30C8\u30EB\u3068\u30A2\u30C9\u30EC\u30B9\u3060\u3051\u3067\u306A\u304F\u3001\u8A2A\u554F\u3057\u305F\u30A6\u30A7\u30D6\u30DA\u30FC\u30B8'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u306E\u30B3\u30F3\u30C6\u30F3\u30C4\u304B\u3089\u3082\u691C\u7D22\u3059\u308B\u3053\u3068\u304C\u3067\u304D\u307E\u3059\u3002\u8A2A\u554F\u3057\u305F\u30A6'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u30A7\u30D6\u30DA\u30FC\u30B8\u306E\u30B3\u30F3\u30C6\u30F3\u30C4\u304B\u3089\u3082\u691C\u7D22\u3059\u308B\u3053\u3068\u304C\u3067\u304D\u307E\u3059\u3002'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u305B\u3063\u304B\u304F\u898B\u3064\u3051\u305F\u3059\u3070\u3089\u3057\u3044\u8A18\u4E8B\u304C\u3069\u3053\u306B\u3042\u3063\u305F\u304B\u5FD8\u308C'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u3066\u3057\u307E\u3063\u305F\u7D4C\u9A13\u306F\u3042\u308A\u307E\u3059\u304B \u306A\u3089\u30BF\u30A4\u30C8\u30EB\u3068\u30A2\u30C9\u30EC\u30B9\u3060'",
-      "reason": "incremental"
+      "reason": "full"
     },
     {
       "object": "InlineTextBox '\u3051\u3067\u306A\u304F\u3001\u8A2A\u554F'",
-      "reason": "incremental"
+      "reason": "full"
     }
   ]
 }