Remove incremental draw optimization from SkDebugCanvas

src/utils/debugger/SkDrawCommand.cpp

Index: src/utils/debugger/SkDrawCommand.cpp
diff --git a/src/utils/debugger/SkDrawCommand.cpp b/src/utils/debugger/SkDrawCommand.cpp
index be7fdfc71674b02a232cbad3485bdbf9b2b42081..47b29f731f87772671edfdee96df432352c7f9e1 100644
--- a/src/utils/debugger/SkDrawCommand.cpp
+++ b/src/utils/debugger/SkDrawCommand.cpp
@@ -831,10 +831,6 @@ void SkRestoreCommand::execute(SkCanvas* canvas) const {
     canvas->restore();
 }
 
-void SkRestoreCommand::trackSaveState(int* state) {
-    (*state)--;
-}
-
 SkRotateCommand::SkRotateCommand(SkScalar degrees)
     : INHERITED(ROTATE) {
     fDegrees = degrees;
@@ -854,10 +850,6 @@ void SkSaveCommand::execute(SkCanvas* canvas) const {
     canvas->save();
 }
 
-void SkSaveCommand::trackSaveState(int* state) {
-    (*state)++;
-}
-
 SkSaveLayerCommand::SkSaveLayerCommand(const SkRect* bounds, const SkPaint* paint,
                                        SkCanvas::SaveFlags flags)
     : INHERITED(SAVE_LAYER) {
@@ -894,10 +886,6 @@ void SkSaveLayerCommand::vizExecute(SkCanvas* canvas) const {
     canvas->save();
 }
 
-void SkSaveLayerCommand::trackSaveState(int* state) {
-    (*state)++;
-}
-
 SkScaleCommand::SkScaleCommand(SkScalar sx, SkScalar sy)
     : INHERITED(SCALE) {
     fSx = sx;