Revert 190605 "Make RenderObject::style() return a const object"

trunk/Source/core/dom/FirstLetterPseudoElement.cpp

Index: trunk/Source/core/dom/FirstLetterPseudoElement.cpp
===================================================================
--- trunk/Source/core/dom/FirstLetterPseudoElement.cpp	(revision 190671)
+++ trunk/Source/core/dom/FirstLetterPseudoElement.cpp	(working copy)
@@ -234,7 +234,7 @@
     // We always force the pseudo style to recompute as the first-letter style
     // computed by the style container may not have taken the renderers styles
     // into account.
-    styleContainer->mutableStyleRef().removeCachedPseudoStyle(FIRST_LETTER);
+    styleContainer->style()->removeCachedPseudoStyle(FIRST_LETTER);
 
     LayoutStyle* pseudoStyle = styleContainer->getCachedPseudoStyle(FIRST_LETTER, rendererContainer->firstLineStyle());
     ASSERT(pseudoStyle);
@@ -266,7 +266,7 @@
         new RenderTextFragment(nextRenderer->node() ? nextRenderer->node() : &nextRenderer->document(), oldText.impl(), length, oldText.length() - length);
     remainingText->setFirstLetterPseudoElement(this);
     remainingText->setIsRemainingTextRenderer(true);
-    remainingText->setStyle(nextRenderer->mutableStyle());
+    remainingText->setStyle(nextRenderer->style());
 
     if (remainingText->node())
         remainingText->node()->setRenderer(remainingText);
@@ -306,7 +306,7 @@
         if (!child->isText() && !child->isQuote() && !child->isImage())
             continue;
 
-        child->setPseudoStyle(renderer->mutableStyle());
+        child->setPseudoStyle(renderer->style());
     }
 }