Remove SkPicture copy constructor

include/core/SkPicture.h

Index: include/core/SkPicture.h
diff --git a/include/core/SkPicture.h b/include/core/SkPicture.h
index 03d983fe5843b68f75841ac59612e55fc060f67f..362f80642d12f4c6840fea03b8a9b1023bd8aef9 100644
--- a/include/core/SkPicture.h
+++ b/include/core/SkPicture.h
@@ -64,10 +64,6 @@ public:
     };
 
     SkPicture();
-    /** Make a copy of the contents of src. If src records more drawing after
-        this call, those elements will not appear in this picture.
-    */
-    SkPicture(const SkPicture& src);
 
     /**  PRIVATE / EXPERIMENTAL -- do not call */
     void EXPERIMENTAL_addAccelData(const AccelData*) const;
@@ -178,7 +174,6 @@ public:
     /**
      * Returns true if any bitmaps may be produced when this SkPicture
      * is replayed.
-     * Returns false if called while still recording.
      */
     bool willPlayBackBitmaps() const;
 
@@ -255,9 +250,6 @@ private:
 
     SkPicture(int width, int height, const SkPictureRecord& record, bool deepCopyOps);
 
-    static void WriteTagSize(SkWriteBuffer& buffer, uint32_t tag, size_t size);
-    static void WriteTagSize(SkWStream* stream, uint32_t tag, size_t size);
-
     // An OperationList encapsulates a set of operation offsets into the picture byte
     // stream along with the CTMs needed for those operation.
     class OperationList : ::SkNoncopyable {