Simplify use of styleOrFirstLineStyle

Source/core/rendering/RenderBlock.cpp

Index: Source/core/rendering/RenderBlock.cpp
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index 604a5d7a1023ed020bad10899689da36ea0bd224..45e5999736d739278736e0c35c43291e5612bc73 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -3747,8 +3747,7 @@ LayoutUnit RenderBlock::lineHeight(bool firstLine, LineDirectionMode direction,
     if (isReplaced() && linePositionMode == PositionOnContainingLine)
         return RenderBox::lineHeight(firstLine, direction, linePositionMode);
 
-    RenderStyle* s = styleOrFirstLineStyle(firstLine && document().styleEngine()->usesFirstLineRules());
-    return s->computedLineHeight();
+    return styleOrFirstLineStyle(firstLine)->computedLineHeight();
 }
 
 int RenderBlock::beforeMarginInLineDirection(LineDirectionMode direction) const
@@ -3822,7 +3821,7 @@ int RenderBlock::firstLineBoxBaseline() const
 
     if (childrenInline()) {
         if (firstLineBox())
-            return firstLineBox()->logicalTop() + styleOrFirstLineStyle(true)->fontMetrics().ascent(firstRootBox()->baselineType());
+            return firstLineBox()->logicalTop() + firstLineStyle()->fontMetrics().ascent(firstRootBox()->baselineType());
         else
             return -1;
     }