Don't let PaintInvalidationLocationChange shadow other reasons

third_party/WebKit/LayoutTests/platform/linux/compositing/squashing/remove-squashed-layer-plus-move-expected.txt

 {
   "bounds": [1418, 1008],
   "children": [
     {
       "bounds": [1418, 1008],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow (anonymous)",
           "rect": [8, 118, 1410, 55],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow (anonymous)",
           "rect": [8, 63, 1410, 55],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV id='container'",
           "rect": [8, 8, 769, 109],
           "reason": "invalidate paint rectangle"
         },
         {
           "object": "LayoutBlockFlow DIV id='container'",
           "rect": [8, 63, 769, 55],
           "reason": "incremental"
         },
         {
           "object": "LayoutText #text",
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutText #text",
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "RootInlineBox",
           "reason": "full"
         },
         {
           "object": "RootInlineBox",
           "reason": "full"
         },
         {
@@ skipping 19 matching lines @@
               "drawsContent": true,
               "paintInvalidations": [
                 {
                   "object": "LayoutBlockFlow (relative positioned) DIV class='mv-tile'",
                   "rect": [0, 110, 1000, 50],
                   "reason": "layer"
                 },
                 {
                   "object": "LayoutBlockFlow (relative positioned) DIV class='mv-tile'",
                   "rect": [0, 55, 1000, 50],
-                  "reason": "location change"
+                  "reason": "compositing update"
                 },
                 {
                   "object": "LayoutBlockFlow (relative positioned) DIV class='mv-tile'",
                   "rect": [0, 55, 100, 50],
                   "reason": "layer"
                 },
                 {
                   "object": "LayoutBlockFlow (relative positioned) DIV class='mv-tile'",
                   "rect": [0, 0, 100, 50],
-                  "reason": "location change"
+                  "reason": "compositing update"
                 },
                 {
                   "object": "LayoutBlockFlow (relative positioned) DIV id='foo' class='mv-tile'",
                   "rect": [0, 0, 100, 50],
                   "reason": "layoutObject removal"
                 },
                 {
                   "object": "InlineBox",
                   "reason": "full"
                 },
                 {
                   "object": "InlineBox",
                   "reason": "full"
                 }
               ]
             }
           ]
         }
       ]
     }
   ]
 }