SkDocument: turn off SK_SUPPORT_LEGACY_DOCUMENT_API

src/pdf/SkPDFDocument.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkPDFDocument_DEFINED
 #define SkPDFDocument_DEFINED
 
 #include "SkDocument.h"
@@ skipping 37 matching lines @@
                   void (*)(SkWStream*, bool),
                   SkScalar,
                   const SkDocument::PDFMetadata&,
                   sk_sp<SkPixelSerializer>,
                   bool);
     virtual ~SkPDFDocument();
     SkCanvas* onBeginPage(SkScalar, SkScalar, const SkRect&) override;
     void onEndPage() override;
     bool onClose(SkWStream*) override;
     void onAbort() override;
-#ifdef SK_SUPPORT_LEGACY_DOCUMENT_API
-    void setMetadata(const SkDocument::Attribute[],
-                     int,
-                     const SkTime::DateTime*,
-                     const SkTime::DateTime*) override;
-#endif  // SK_SUPPORT_LEGACY_DOCUMENT_API
+
     /**
        Serialize the object, as well as any other objects it
        indirectly refers to.  If any any other objects have been added
        to the SkPDFObjNumMap without serializing them, they will be
        serialized as well.
 
        It might go without saying that objects should not be changed
        after calling serialize, since those changes will be too late.
      */
     void serialize(const sk_sp<SkPDFObject>&);
@@ skipping 11 matching lines @@
     sk_sp<SkPDFObject> fID;
     sk_sp<SkPDFObject> fXMP;
     SkScalar fRasterDpi;
     SkDocument::PDFMetadata fMetadata;
     bool fPDFA;
 
     void reset();
 };
 
 #endif  // SkPDFDocument_DEFINED