Switch SkPDFStream's internal storage from SkStream to SkData

src/images/SkImageDecoder_pkm.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkColorPriv.h"
 #include "SkImageDecoder.h"
 #include "SkScaledBitmapSampler.h"
 #include "SkStream.h"
-#include "SkStreamHelpers.h"
+#include "SkStreamPriv.h"
 #include "SkTypes.h"
 
 #include "etc1.h"
 
 class SkPKMImageDecoder : public SkImageDecoder {
 public:
     SkPKMImageDecoder() { }
 
     virtual Format getFormat() const SK_OVERRIDE {
         return kPKM_Format;
     }
 
 protected:
     virtual bool onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE;
 
 private:
     typedef SkImageDecoder INHERITED;
 };
 
 /////////////////////////////////////////////////////////////////////////////////////////
 
 bool SkPKMImageDecoder::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
     SkAutoMalloc autoMal;
-    const size_t length = CopyStreamToStorage(&autoMal, stream);
+    const size_t length = SkCopyStreamToStorage(&autoMal, stream);
     if (0 == length) {
         return false;
     }
 
     unsigned char* buf = (unsigned char*)autoMal.get();
 
     // Make sure original PKM header is there...
     SkASSERT(etc1_pkm_is_valid(buf));
 
     const unsigned short width = etc1_pkm_get_width(buf);
@@ skipping 77 matching lines @@
 static SkImageDecoder_DecodeReg gReg(sk_libpkm_dfactory);
 
 static SkImageDecoder::Format get_format_pkm(SkStreamRewindable* stream) {
     if (is_pkm(stream)) {
         return SkImageDecoder::kPKM_Format;
     }
     return SkImageDecoder::kUnknown_Format;
 }
 
 static SkImageDecoder_FormatReg gFormatReg(get_format_pkm);