Make sure SkDrawLooper objects can only be allocated on the heap.

src/effects/SkLayerDrawLooper.cpp

Index: src/effects/SkLayerDrawLooper.cpp
diff --git a/src/effects/SkLayerDrawLooper.cpp b/src/effects/SkLayerDrawLooper.cpp
index 962ca293d8418fc416f6e2d34b21c315f2982e93..5fbb550f7543bfb9f605cbe027886a49d2be57da 100644
--- a/src/effects/SkLayerDrawLooper.cpp
+++ b/src/effects/SkLayerDrawLooper.cpp
@@ -36,44 +36,6 @@ SkLayerDrawLooper::~SkLayerDrawLooper() {
     }
 }
 
-SkPaint* SkLayerDrawLooper::addLayer(const LayerInfo& info) {
-    fCount += 1;
-
-    Rec* rec = SkNEW(Rec);
-    rec->fNext = fRecs;
-    rec->fInfo = info;
-    fRecs = rec;
-    if (NULL == fTopRec) {
-        fTopRec = rec;
-    }
-
-    return &rec->fPaint;
-}
-
-void SkLayerDrawLooper::addLayer(SkScalar dx, SkScalar dy) {
-    LayerInfo info;
-
-    info.fOffset.set(dx, dy);
-    (void)this->addLayer(info);
-}
-
-SkPaint* SkLayerDrawLooper::addLayerOnTop(const LayerInfo& info) {
-    fCount += 1;
-
-    Rec* rec = SkNEW(Rec);
-    rec->fNext = NULL;
-    rec->fInfo = info;
-    if (NULL == fRecs) {
-        fRecs = rec;
-    } else {
-        SkASSERT(NULL != fTopRec);
-        fTopRec->fNext = rec;
-    }
-    fTopRec = rec;
-
-    return &rec->fPaint;
-}
-
 SkLayerDrawLooper::Context* SkLayerDrawLooper::createContext(SkCanvas* canvas, void* storage) const {
     canvas->save(SkCanvas::kMatrix_SaveFlag);
     return SkNEW_PLACEMENT_ARGS(storage, LayerDrawLooperContext, (this));