Build animated font properties through FontBuilder.

Source/core/rendering/style/RenderStyle.cpp

Index: Source/core/rendering/style/RenderStyle.cpp
diff --git a/Source/core/rendering/style/RenderStyle.cpp b/Source/core/rendering/style/RenderStyle.cpp
index 86e8b6e4dc58ed2963064f60ebbe98bc93875ac8..bebe7765b23f70668e4336f2463a04179b65949f 100644
--- a/Source/core/rendering/style/RenderStyle.cpp
+++ b/Source/core/rendering/style/RenderStyle.cpp
@@ -1223,10 +1223,11 @@ void RenderStyle::setLetterSpacing(float letterSpacing)
     font().update(currentFontSelector);
 }
 
-void RenderStyle::setFontSize(float size)
+void RenderStyle::setTextAutosizingMultiplier(float multiplier)
 {
-    // size must be specifiedSize if Text Autosizing is enabled, but computedSize if text
-    // zoom is enabled (if neither is enabled it's irrelevant as they're probably the same).
+    SET_VAR(inherited, textAutosizingMultiplier, multiplier);
+
+    float size = specifiedFontSize();
 
     ASSERT(std::isfinite(size));
     if (!std::isfinite(size) || size < 0)
@@ -1239,7 +1240,6 @@ void RenderStyle::setFontSize(float size)
     desc.setSpecifiedSize(size);
     desc.setComputedSize(size);
 
-    float multiplier = textAutosizingMultiplier();
     if (multiplier > 1) {
         float autosizedFontSize = TextAutosizer::computeAutosizedFontSize(size, multiplier);
         desc.setComputedSize(std::min(maximumAllowedFontSize, autosizedFontSize));
@@ -1249,15 +1249,6 @@ void RenderStyle::setFontSize(float size)
     font().update(currentFontSelector);
 }
 
-void RenderStyle::setFontWeight(FontWeight weight)
-{
-    FontSelector* currentFontSelector = font().fontSelector();
-    FontDescription desc(fontDescription());
-    desc.setWeight(weight);
-    setFontDescription(desc);
-    font().update(currentFontSelector);
-}
-
 void RenderStyle::addAppliedTextDecoration(const AppliedTextDecoration& decoration)
 {
     RefPtr<AppliedTextDecorationList>& list = rareInheritedData.access()->appliedTextDecorations;
@@ -1315,15 +1306,6 @@ void RenderStyle::clearMultiCol()
     rareNonInheritedData.access()->m_multiCol.init();
 }
 
-void RenderStyle::setFontStretch(FontStretch stretch)
-{
-    FontSelector* currentFontSelector = font().fontSelector();
-    FontDescription desc(fontDescription());
-    desc.setStretch(stretch);
-    setFontDescription(desc);
-    font().update(currentFontSelector);
-}
-
 void RenderStyle::getShadowExtent(const ShadowList* shadowList, LayoutUnit &top, LayoutUnit &right, LayoutUnit &bottom, LayoutUnit &left) const
 {
     top = 0;