Remove SkCanvas::isDrawingToLayer

src/core/SkRecorder.cpp

Index: src/core/SkRecorder.cpp
diff --git a/src/core/SkRecorder.cpp b/src/core/SkRecorder.cpp
index 71a1167543bf48dfefc8cc6c5f0821547a548254..7d5d25205ee73dee8708d73631866fe1ddf095b5 100644
--- a/src/core/SkRecorder.cpp
+++ b/src/core/SkRecorder.cpp
@@ -33,13 +33,11 @@ void SkCanvasDrawableList::append(SkCanvasDrawable* drawable) {
 
 SkRecorder::SkRecorder(SkRecord* record, int width, int height)
     : SkCanvas(SkIRect::MakeWH(width, height), SkCanvas::kConservativeRasterClip_InitFlag)
-    , fRecord(record)
-    , fSaveLayerCount(0) {}
+    , fRecord(record) {}
 
 SkRecorder::SkRecorder(SkRecord* record, const SkRect& bounds)
     : SkCanvas(bounds.roundOut(), SkCanvas::kConservativeRasterClip_InitFlag)
-    , fRecord(record)
-    , fSaveLayerCount(0) {}
+    , fRecord(record) {}
 
 void SkRecorder::forgetRecord() {
     fDrawableList.reset(NULL);
@@ -273,25 +271,17 @@ void SkRecorder::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
 }
 
 void SkRecorder::willSave() {
-    fSaveIsSaveLayer.push(false);
     APPEND(Save);
 }
 
 SkCanvas::SaveLayerStrategy SkRecorder::willSaveLayer(const SkRect* bounds,
                                                       const SkPaint* paint,
                                                       SkCanvas::SaveFlags flags) {
-    fSaveLayerCount++;
-    fSaveIsSaveLayer.push(true);
     APPEND(SaveLayer, this->copy(bounds), this->copy(paint), flags);
     return SkCanvas::kNoLayer_SaveLayerStrategy;
 }
 
 void SkRecorder::didRestore() {
-    SkBool8 saveLayer;
-    fSaveIsSaveLayer.pop(&saveLayer);
-    if (saveLayer) {
-        fSaveLayerCount--;
-    }
     APPEND(Restore, this->devBounds(), this->getTotalMatrix());
 }
 
@@ -343,10 +333,6 @@ void SkRecorder::endCommentGroup() {
     APPEND(EndCommentGroup);
 }
 
-bool SkRecorder::isDrawingToLayer() const {
-    return fSaveLayerCount > 0;
-}
-
 void SkRecorder::drawData(const void* data, size_t length) {
     APPEND(DrawData, copy((const char*)data), length);
 }