Change signature of SkShader::asNewEffect(), implement for SkBitmapProcShader.
Review URL: https://codereview.appspot.com/7086051

git-svn-id: http://skia.googlecode.com/svn/trunk@7153 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkRadialGradient.cpp b/src/effects/gradients/SkRadialGradient.cpp
index 02a56da..db089f6 100644
--- a/src/effects/gradients/SkRadialGradient.cpp
+++ b/src/effects/gradients/SkRadialGradient.cpp
@@ -545,12 +545,8 @@
     SkAutoTUnref<SkShader> shader(SkGradientShader::CreateRadial(center, radius,
                                                                  colors, stops, colorCount,
                                                                  tm));
-    GrEffectStage stage;
-    shader->asNewEffect(context, &stage);
-    GrAssert(NULL != stage.getEffect());
-    // const_cast and ref is a hack! Will remove when asNewEffect returns GrEffect*
-    stage.getEffect()->ref();
-    return const_cast<GrEffect*>(stage.getEffect());
+    SkPaint paint;
+    return shader->asNewEffect(context, paint);
 }
 
 /////////////////////////////////////////////////////////////////////
@@ -573,7 +569,7 @@
 
 /////////////////////////////////////////////////////////////////////
 
-bool SkRadialGradient::asNewEffect(GrContext* context, GrEffectStage* stage) const {
+GrEffect* SkRadialGradient::asNewEffect(GrContext* context, const SkPaint&) const {
     SkASSERT(NULL != context && NULL != stage);
 
     SkMatrix matrix;
@@ -581,15 +577,14 @@
         return false;
     }
     matrix.postConcat(fPtsToUnit);
-    stage->setEffect(SkNEW_ARGS(GrRadialGradient, (context, *this, matrix, fTileMode)))->unref();
-    return true;
+    return SkNEW_ARGS(GrRadialGradient, (context, *this, matrix, fTileMode));
 }
 
 #else
 
-bool SkRadialGradient::asNewEffect(GrContext*, GrEffectStage*) const {
+GrEffect* SkRadialGradient::asNewEffect(GrContext* context, const SkPaint&) const {
     SkDEBUGFAIL("Should not call in GPU-less build");
-    return false;
+    return NULL;
 }
 
 #endif