Tweak PaintInvalidationReasons

third_party/WebKit/LayoutTests/platform/win/paint/invalidation/relative-inline-positioned-movement-repaint-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow BODY",
           "rect": [8, 8, 784, 20],
-          "reason": "forced by layout"
+          "reason": "geometry"
         }
       ]
     },
     {
       "name": "LayoutInline (relative positioned) DIV id='block'",
       "position": [68, 7],
       "bounds": [348, 21],
       "drawsContent": true,
       "backfaceVisibility": "hidden",
       "paintInvalidations": [
         {
           "object": "LayoutInline (relative positioned) DIV id='block'",
           "rect": [0, 0, 348, 21],
-          "reason": "forced by layout"
+          "reason": "geometry"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
       "object": "LayoutBlockFlow BODY",
-      "reason": "forced by layout"
+      "reason": "geometry"
     },
     {
       "object": "RootInlineBox",
-      "reason": "forced by layout"
+      "reason": "geometry"
     },
     {
       "object": "LayoutInline (relative positioned) DIV id='block'",
-      "reason": "forced by layout"
+      "reason": "geometry"
     },
     {
       "object": "InlineFlowBox",
-      "reason": "forced by layout"
+      "reason": "geometry"
     },
     {
       "object": "LayoutText #text",
-      "reason": "forced by layout"
+      "reason": "geometry"
     },
     {
       "object": "InlineTextBox 'When this layer moves it shouldn't generate a repaint rect.'",
-      "reason": "forced by layout"
+      "reason": "geometry"
     }
   ]
 }