Invalidate caret during paint invalidation

third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/4776765-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/4776765-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/4776765-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/4776765-expected.txt
index a9d0d9887636dd182c70b5a4bf9bae707daf500b..4b3bca167e817d530cce04ecc1234ab0389b1610 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/4776765-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/4776765-expected.txt
@@ -18,39 +18,24 @@
         },
         {
           "object": "LayoutBlockFlow DIV id='div'",
-          "rect": [7, 83, 3, 21],
-          "reason": "invalidate paint rectangle"
-        },
-        {
-          "object": "LayoutBlockFlow DIV id='div'",
-          "rect": [7, 83, 3, 21],
-          "reason": "invalidate paint rectangle"
-        },
-        {
-          "object": "LayoutBlockFlow DIV id='div'",
-          "rect": [7, 83, 3, 21],
-          "reason": "invalidate paint rectangle"
-        },

[Xianzhu, 2017/01/31 18:39:52]

These disappeared because the caret changed while the containing block needed
full paint invalidation.

The rects exceed the visual rect of the containing block by 1 pixel edges
because the inflate(1) for caret visual rects. The inflation seems unnecessary.
I would like to address this in a follow-up.

-        {
-          "object": "LayoutBlockFlow DIV id='div'",
           "rect": [7, 63, 3, 21],
-          "reason": "invalidate paint rectangle"
+          "reason": "caret"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "Caret",
-      "reason": "invalidate paint rectangle"
+      "object": "LayoutBlockFlow DIV",
+      "reason": "outline"
     },
     {
       "object": "Caret",
-      "reason": "invalidate paint rectangle"
+      "reason": "caret"
     },
     {
-      "object": "LayoutBlockFlow DIV",
-      "reason": "outline"
+      "object": "Caret",
+      "reason": "caret"
     },
     {
       "object": "LayoutBlockFlow DIV id='div'",
@@ -62,11 +47,11 @@
     },
     {
       "object": "Caret",
-      "reason": "invalidate paint rectangle"
+      "reason": "caret"
     },
     {
       "object": "Caret",
-      "reason": "invalidate paint rectangle"
+      "reason": "caret"
     },
     {
       "object": "LayoutBR BR",