Separate forced subtree invalidation reasons for location change and SVG resource change

third_party/WebKit/LayoutTests/paint/invalidation/svg/text-pattern-update-2-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutSVGText text",
@@ skipping 11 matching lines @@
     {
       "object": "LayoutSVGText text",
       "reason": "SVG resource change"
     },
     {
       "object": "RootInlineBox",
       "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGInlineText #text",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "InlineTextBox 'X'",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGTSpan tspan",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "InlineFlowBox",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGInlineText #text",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "InlineTextBox 'Y'",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGInlineText #text",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "InlineTextBox 'Z'",
-      "reason": "location change"
+      "reason": "SVG resource change"
     }
   ]
 }