Proper support for multiple text decorations.

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 c364b0db535fa8993c5a3b4f7ffdb48e5f9f9f44..02c1dd50170ea9d854e26c7febbc88db9278f1da 100644
--- a/Source/core/css/resolver/StyleAdjuster.cpp
+++ b/Source/core/css/resolver/StyleAdjuster.cpp
@@ -137,7 +137,7 @@ static bool doesNotInheritTextDecoration(const RenderStyle* style, const Element
 {
     return style->display() == TABLE || style->display() == INLINE_TABLE
         || style->display() == INLINE_BLOCK || style->display() == INLINE_BOX || isAtShadowBoundary(e)
-        || style->isFloating() || style->hasOutOfFlowPosition();
+        || style->isFloating() || style->hasOutOfFlowPosition() || isHTMLRTElement(e);
 }
 
 // FIXME: This helper is only needed because pseudoStyleForElement passes a null
@@ -245,9 +245,9 @@ void StyleAdjuster::adjustRenderStyle(RenderStyle* style, RenderStyle* parentSty
     }
 
     if (doesNotInheritTextDecoration(style, e))
-        style->setTextDecorationsInEffect(style->textDecoration());

[Julien - ping for review, 2014/05/05 17:45:08]

AFAICT this was the only caller of setTextDecorationsInEffect and you don't add
any so the function is now dead code :(

[andersr, 2014/05/06 13:15:29]

Ah, yes. That is no reason to be sad. ;)

-    else
-        style->addToTextDecorationsInEffect(style->textDecoration());
+        style->clearAppliedTextDecorations();
+
+    style->applyTextDecorations();
 
     if (style->overflowX() != OVISIBLE || style->overflowY() != OVISIBLE)
         adjustOverflow(style, e);