Don't let PaintInvalidationLocationChange shadow other reasons

third_party/WebKit/LayoutTests/platform/linux/fast/repaint/layoutstate-invalid-invalidation-inline-relative-positioned-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow (anonymous)",
           "rect": [8, 40, 784, 104],
           "reason": "invalidate paint rectangle"
         },
         {
           "object": "LayoutInline (relative positioned) SPAN id='target'",
           "rect": [8, 220, 100, 104],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutInline (relative positioned) SPAN id='target'",
           "rect": [8, 200, 100, 104],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV",
           "rect": [8, 220, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutText #text",
           "rect": [8, 220, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV",
           "rect": [8, 200, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutText #text",
           "rect": [8, 200, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "InlineBox",
           "reason": "full"
         },
         {
           "object": "InlineFlowBox",
           "reason": "full"
         },
         {
           "object": "InlineFlowBox",
           "reason": "full"
         },
         {
           "object": "InlineFlowBox",
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "InlineTextBox 'x'",
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "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"
         }
       ]
     }
   ]
 }