SaveFlags be-gone

Remove the deprecated save(SaveFlags), willSave(SaveFlags) and all
traces of kMatrix_SaveFlags/kClip_SaveFlag.

BUG=skia:2297
R=mtklein@google.com, reed@google.com, robertphillips@google.com

Review URL: https://codereview.chromium.org/340403003
diff --git a/src/utils/debugger/SkDrawCommand.h b/src/utils/debugger/SkDrawCommand.h
index a0bfb2d..f456993 100644
--- a/src/utils/debugger/SkDrawCommand.h
+++ b/src/utils/debugger/SkDrawCommand.h
@@ -522,13 +522,11 @@
 
 class SkSaveCommand : public SkDrawCommand {
 public:
-    SkSaveCommand(SkCanvas::SaveFlags flags);
+    SkSaveCommand();
     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual void trackSaveState(int* state) SK_OVERRIDE;
     virtual Action action() const SK_OVERRIDE { return kPushLayer_Action; }
 private:
-    SkCanvas::SaveFlags fFlags;
-
     typedef SkDrawCommand INHERITED;
 };