Use SkLayerDrawLooper::Builder to construct SkLayerDrawLooper.

Source/core/rendering/InlineTextBox.cpp

Index: Source/core/rendering/InlineTextBox.cpp
diff --git a/Source/core/rendering/InlineTextBox.cpp b/Source/core/rendering/InlineTextBox.cpp
index d36b8b4c49f6af4c5c4e2853ac0735c81c511ac1..2f7352672676b0131d71d9797adc965a7996af7c 100644
--- a/Source/core/rendering/InlineTextBox.cpp
+++ b/Source/core/rendering/InlineTextBox.cpp
@@ -46,7 +46,7 @@
 #include "core/rendering/svg/SVGTextRunRenderingContext.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/fonts/WidthIterator.h"
-#include "platform/graphics/DrawLooper.h"
+#include "platform/graphics/DrawLooperBuilder.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "wtf/Vector.h"
 #include "wtf/text/CString.h"
@@ -397,17 +397,17 @@ static void paintTextWithShadows(GraphicsContext* context,
     bool hasShadow = shadowList && !context->printing();
 
     if (hasShadow) {
-        DrawLooper drawLooper;
+        OwnPtr<DrawLooperBuilder> drawLooperBuilder = adoptPtr(new DrawLooperBuilder);
         for (size_t i = shadowList->shadows().size(); i--; ) {
             const ShadowData& shadow = shadowList->shadows()[i];
             float shadowX = horizontal ? shadow.x() : shadow.y();
             float shadowY = horizontal ? shadow.y() : -shadow.x();
             FloatSize offset(shadowX, shadowY);
-            drawLooper.addShadow(offset, shadow.blur(), shadow.color(),
-                DrawLooper::ShadowRespectsTransforms, DrawLooper::ShadowIgnoresAlpha);
+            drawLooperBuilder->addShadow(offset, shadow.blur(), shadow.color(),
+                DrawLooperBuilder::ShadowRespectsTransforms, DrawLooperBuilder::ShadowIgnoresAlpha);
         }
-        drawLooper.addUnmodifiedContent();
-        context->setDrawLooper(drawLooper);
+        drawLooperBuilder->addUnmodifiedContent();
+        context->setDrawLooper(drawLooperBuilder.release());
     }
 
     TextRunPaintInfo textRunPaintInfo(textRun);