Don't let PaintInvalidationLocationChange shadow other reasons

third_party/WebKit/LayoutTests/platform/linux/fast/repaint/crbug-371640-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow (floating) DIV id='container'",
           "rect": [88, 88, 520, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow (floating) DIV id='keep_outer' class='outer'",
           "rect": [348, 88, 260, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow (floating) DIV id='node' class='outer'",
           "rect": [348, 88, 260, 100],
           "reason": "layoutObject removal"
         },
         {
           "object": "LayoutBlockFlow (relative positioned) (floating) DIV id='keep_inner' class='inner'",
           "rect": [348, 88, 260, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow (relative positioned) (floating) DIV id='to_remove_inner' class='inner'",
           "rect": [348, 88, 260, 100],
           "reason": "layoutObject removal"
         },
         {
           "object": "LayoutBlockFlow (floating) DIV id='keep_outer' class='outer'",
           "rect": [88, 88, 260, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow (relative positioned) (floating) DIV id='keep_inner' class='inner'",
           "rect": [88, 88, 260, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow (positioned) DIV class='abs_pos'",
           "rect": [348, 88, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV id='keep' class='item'",
           "rect": [348, 88, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV id='to_remove' class='item'",
           "rect": [348, 88, 100, 100],
           "reason": "layoutObject removal"
         },
         {
           "object": "LayoutBlockFlow (positioned) DIV class='abs_pos'",
           "rect": [88, 88, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV id='keep' class='item'",
           "rect": [88, 88, 100, 100],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutText #text",
           "rect": [348, 88, 4, 19],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "LayoutText #text",
           "rect": [348, 88, 4, 19],
           "reason": "layoutObject removal"
         },
         {
           "object": "LayoutText #text",
           "rect": [88, 88, 4, 19],
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "InlineTextBox '\u00A0'",
           "reason": "full"
         },
         {
           "object": "InlineTextBox '\u00A0'",
-          "reason": "location change"
+          "reason": "bounds change"
         },
         {
           "object": "RootInlineBox",
           "reason": "full"
         },
         {
           "object": "RootInlineBox",
           "reason": "full"
         }
       ]
     }
   ]
 }