Consolidate some text shadow code.

Source/core/rendering/EllipsisBox.cpp

 /**
  * Copyright (C) 2003, 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/rendering/EllipsisBox.h"
 
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderBlockFlow.h"
 #include "core/rendering/RootInlineBox.h"
 #include "core/rendering/style/ShadowList.h"
 #include "platform/fonts/Font.h"
-#include "platform/graphics/DrawLooperBuilder.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "platform/text/TextRun.h"
 
 namespace WebCore {
 
 void EllipsisBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
 {
     GraphicsContext* context = paintInfo.context;
     RenderStyle* style = renderer().style(isFirstLineStyle());
 
@@ skipping 17 matching lines @@
 
         // Select the correct color for painting the text.
         Color foreground = paintInfo.forceBlackText() ? Color::black : renderer().selectionForegroundColor();
         if (foreground != styleTextColor)
             context->setFillColor(foreground);
     }
 
     // Text shadows are disabled when printing. http://crbug.com/258321
     const ShadowList* shadowList = context->printing() ? 0 : style->textShadow();
     bool hasShadow = shadowList;
-    if (hasShadow) {
-        OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
-        for (size_t i = shadowList->shadows().size(); i--; ) {
-            const ShadowData& shadow = shadowList->shadows()[i];
-            float shadowX = isHorizontal() ? shadow.x() : shadow.y();
-            float shadowY = isHorizontal() ? shadow.y() : -shadow.x();
-            FloatSize offset(shadowX, shadowY);
-            drawLooperBuilder->addShadow(offset, shadow.blur(), shadow.color(),
-                DrawLooperBuilder::ShadowRespectsTransforms, DrawLooperBuilder::ShadowIgnoresAlpha);
-        }
-        drawLooperBuilder->addUnmodifiedContent();
-        context->setDrawLooper(drawLooperBuilder.release());
-    }
+    if (hasShadow)
+        context->setDrawLooper(shadowList->createDrawLooper(DrawLooperBuilder::ShadowIgnoresAlpha, isHorizontal()));
 
     TextRun textRun = RenderBlockFlow::constructTextRun(&renderer(), font, m_str, style, TextRun::AllowTrailingExpansion);
     TextRunPaintInfo textRunPaintInfo(textRun);
     textRunPaintInfo.bounds = boxRect;
     context->drawText(font, textRunPaintInfo, textOrigin);
 
     // Restore the regular fill color.
     if (styleTextColor != context->fillColor())
         context->setFillColor(styleTextColor);
 
@@ skipping 86 matching lines @@
     if (visibleToHitTestRequest(request) && boundsRect.intersects(HitTestLocation::rectForPoint(locationInContainer.point(), 0, 0, 0, 0))) {
         renderer().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(adjustedLocation));
         if (!result.addNodeToRectBasedTestResult(renderer().node(), request, locationInContainer, boundsRect))
             return true;
     }
 
     return false;
 }
 
 } // namespace WebCore