Let StyleResolver figure out differences between UA style and resolved style.

Source/core/css/resolver/StyleAdjuster.cpp

Index: Source/core/css/resolver/StyleAdjuster.cpp
diff --git a/Source/core/css/resolver/StyleAdjuster.cpp b/Source/core/css/resolver/StyleAdjuster.cpp
index 89cdfefc173b462bf453fdb94f5fa806a9b72293..6b793b493d3564daddc335f4ddf38535b0caa445 100644
--- a/Source/core/css/resolver/StyleAdjuster.cpp
+++ b/Source/core/css/resolver/StyleAdjuster.cpp
@@ -151,7 +151,7 @@ static bool hasWillChangeThatCreatesStackingContext(const RenderStyle* style)
     return false;
 }
 
-void StyleAdjuster::adjustRenderStyle(RenderStyle* style, RenderStyle* parentStyle, Element *e, const CachedUAStyle* cachedUAStyle)
+void StyleAdjuster::adjustRenderStyle(RenderStyle* style, RenderStyle* parentStyle, Element *e, const UAStyleChange& uaStyle)
 {
     ASSERT(parentStyle);
 
@@ -218,7 +218,7 @@ void StyleAdjuster::adjustRenderStyle(RenderStyle* style, RenderStyle* parentSty
 
     // Let the theme also have a crack at adjusting the style.
     if (style->hasAppearance())
-        LayoutTheme::theme().adjustStyle(style, e, cachedUAStyle);
+        LayoutTheme::theme().adjustStyle(style, e, uaStyle);
 
     // If we have first-letter pseudo style, transitions, or animations, do not share this style.
     if (style->hasPseudoStyle(FIRST_LETTER) || style->transitions() || style->animations())