Don't let PaintInvalidationLocationChange shadow other reasons

third_party/WebKit/LayoutTests/fast/repaint/requestAnimation-translation-leave-traces-expected.txt

 This test checks that changing the transform on an element triggers a correct invalidation.
 The paint invalidations below should match the transformed element's coordinates.
 Tested locations: 1200,1500
 {
   "bounds": [1600, 585],
   "children": [
     {
       "bounds": [1600, 585],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutView #document",
           "rect": [1300, 0, 300, 585],
           "reason": "incremental"
         },
         {
           "object": "LayoutView #document",
           "rect": [1000, 0, 300, 585],
           "reason": "incremental"
         },
         {
           "object": "LayoutBlockFlow DIV id='box'",
           "rect": [1500, 0, 100, 100],
-          "reason": "location change"
+          "reason": "style change"
         },
         {
           "object": "LayoutBlockFlow DIV id='box'",
           "rect": [1200, 0, 100, 100],
-          "reason": "location change"
+          "reason": "style change"
         },
         {
           "object": "LayoutBlockFlow DIV id='box'",
           "rect": [1200, 0, 100, 100],
-          "reason": "location change"
+          "reason": "style change"
         },
         {
           "object": "LayoutBlockFlow DIV id='box'",
           "rect": [900, 0, 100, 100],
-          "reason": "location change"
+          "reason": "style change"
         }
       ]
     }
   ]
 }