ui: Cleanup class/struct forward declarations

third_party/WebKit/LayoutTests/paint/invalidation/svg/filter-refresh-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/svg/filter-refresh-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/svg/filter-refresh-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/svg/filter-refresh-expected.txt
index 6ad84f169e342445cda38867ad8c53a7aedc61ec..2385e606b076b285bd3ad4c3561e51841383135e 100644
--- a/third_party/WebKit/LayoutTests/paint/invalidation/svg/filter-refresh-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/svg/filter-refresh-expected.txt
@@ -293,7 +293,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -309,7 +309,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -325,7 +325,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -337,7 +337,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -353,7 +353,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -369,7 +369,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -381,7 +381,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -393,7 +393,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -405,7 +405,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -417,7 +417,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -429,7 +429,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",
@@ -441,7 +441,7 @@
     },
     {
       "object": "LayoutSVGContainer use",
-      "reason": "location change"
+      "reason": "SVG resource change"
     },
     {
       "object": "LayoutSVGRect rect id='rect'",