Strip old backend recording down to essentials

src/core/SkPictureData.h

Index: src/core/SkPictureData.h
diff --git a/src/core/SkPictureData.h b/src/core/SkPictureData.h
index b875151b5067c5ebd24dcc2e2ceb6009dd66f56b..02529938abcf1fa2727132038d7449ec2a171d27 100644
--- a/src/core/SkPictureData.h
+++ b/src/core/SkPictureData.h
@@ -13,7 +13,6 @@
 #include "SkPicture.h"
 #include "SkPictureContentInfo.h"
 #include "SkPictureFlat.h"
-#include "SkPictureStateTree.h"
 
 class SkData;
 class SkPictureRecord;
@@ -24,7 +23,6 @@ class SkBBoxHierarchy;
 class SkMatrix;
 class SkPaint;
 class SkPath;
-class SkPictureStateTree;
 class SkReadBuffer;
 class SkTextBlob;
 
@@ -67,8 +65,6 @@ public:
 
     virtual ~SkPictureData();
 
-    const SkPicture::OperationList* getActiveOps(const SkRect& queryRect) const;
-
     void serialize(SkWStream*, SkPicture::EncodeBitmap) const;
     void flatten(SkWriteBuffer&) const;
 
@@ -123,14 +119,6 @@ public:
         return fTextBlobRefs[index - 1];
     }
 
-    void initIterator(SkPictureStateTree::Iterator* iter,
-                      const SkTDArray<void*>& draws,
-                      SkCanvas* canvas) const {
-        if (fStateTree) {
-            fStateTree->initIterator(iter, draws, canvas);
-        }
-    }
-
 #if SK_SUPPORT_GPU
     /**
      * sampleCount is the number of samples-per-pixel or zero if non-MSAA.
@@ -175,9 +163,6 @@ private:
     const SkTextBlob** fTextBlobRefs;
     int fTextBlobCount;
 
-    SkBBoxHierarchy* fBoundingHierarchy;
-    SkPictureStateTree* fStateTree;
-
     SkPictureContentInfo fContentInfo;
 
     SkTypefacePlayback fTFPlayback;