Separate repaint and layout requirements of StyleDifference (Step 1)

Source/core/rendering/svg/SVGInlineTextBox.cpp

Index: Source/core/rendering/svg/SVGInlineTextBox.cpp
diff --git a/Source/core/rendering/svg/SVGInlineTextBox.cpp b/Source/core/rendering/svg/SVGInlineTextBox.cpp
index 105e5dc5ac5a2f4583a147c59b9321d0af52ad42..824dc83dec89c23defd5d799d233a42160c2a536 100644
--- a/Source/core/rendering/svg/SVGInlineTextBox.cpp
+++ b/Source/core/rendering/svg/SVGInlineTextBox.cpp
@@ -681,13 +681,19 @@ void SVGInlineTextBox::paintText(GraphicsContext* context, RenderStyle* style,
         paintTextWithShadows(context, style, textRun, fragment, 0, startPosition, resourceMode);
 
     // Draw text using selection style from the start to the end position of the selection
-    if (style != selectionStyle)
-        SVGResourcesCache::clientStyleChanged(&parent()->renderer(), StyleDifferenceRepaint, selectionStyle);
+    if (style != selectionStyle) {
+        StyleDifference diff;
+        diff.setNeedsRepaintSelf();
+        SVGResourcesCache::clientStyleChanged(&parent()->renderer(), diff, selectionStyle);
+    }
 
     paintTextWithShadows(context, selectionStyle, textRun, fragment, startPosition, endPosition, resourceMode);
 
-    if (style != selectionStyle)
-        SVGResourcesCache::clientStyleChanged(&parent()->renderer(), StyleDifferenceRepaint, style);
+    if (style != selectionStyle) {
+        StyleDifference diff;
+        diff.setNeedsRepaintSelf();
+        SVGResourcesCache::clientStyleChanged(&parent()->renderer(), diff, selectionStyle);
+    }
 
     // Eventually draw text using regular style from the end position of the selection to the end of the current chunk part
     if (endPosition < static_cast<int>(fragment.length) && !paintSelectedTextOnly)