Remove (almost) unused read/writeFunctionPtr API.

src/core/SkReadBuffer.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkReadBuffer_DEFINED
 #define SkReadBuffer_DEFINED
 
@@ skipping 89 matching lines @@
     bool isPtr64Bit() const { return SkToBool(fFlags & kPtrIs64Bit_Flag); }
     bool isValidating() const { return SkToBool(fFlags & kValidation_Flag); }
 
     SkReader32* getReader32() { return &fReader; }
 
     size_t size() { return fReader.size(); }
     size_t offset() { return fReader.offset(); }
     bool eof() { return fReader.eof(); }
     virtual const void* skip(size_t size) { return fReader.skip(size); }
 
-    void* readFunctionPtr() { return fReader.readPtr(); }
-
     // primitives
     virtual bool readBool();
     virtual SkColor readColor();
     virtual int32_t readInt();
     virtual SkScalar readScalar();
     virtual uint32_t readUInt();
     virtual int32_t read32();
 
     // peek
     virtual uint8_t peekByte();
@@ skipping 19 matching lines @@
     }
     sk_sp<SkColorFilter> readColorFilter() { return this->readFlattenable<SkColorFilter>(); }
     sk_sp<SkDrawLooper> readDrawLooper() { return this->readFlattenable<SkDrawLooper>(); }
     sk_sp<SkImageFilter> readImageFilter() { return this->readFlattenable<SkImageFilter>(); }
     sk_sp<SkMaskFilter> readMaskFilter() { return this->readFlattenable<SkMaskFilter>(); }
     sk_sp<SkPathEffect> readPathEffect() { return this->readFlattenable<SkPathEffect>(); }
     sk_sp<SkRasterizer> readRasterizer() { return this->readFlattenable<SkRasterizer>(); }
     sk_sp<SkShader> readShader() { return this->readFlattenable<SkShader>(); }
     sk_sp<SkXfermode> readXfermode() { return this->readFlattenable<SkXfermode>(); }
 
-    /**
-     *  Like readFlattenable() but explicitly just skips the data that was written for the
-     *  flattenable (or the sentinel that there wasn't one).
-     */
-    virtual void skipFlattenable();
-
     // binary data and arrays
     virtual bool readByteArray(void* value, size_t size);
     virtual bool readColorArray(SkColor* colors, size_t size);
     virtual bool readIntArray(int32_t* values, size_t size);
     virtual bool readPointArray(SkPoint* points, size_t size);
     virtual bool readScalarArray(SkScalar* values, size_t size);
 
     sk_sp<SkData> readByteArrayAsData() {
         size_t len = this->getArrayCount();
         if (!this->validateAvailable(len)) {
@@ skipping 109 matching lines @@
     SkPicture::InstallPixelRefProc fBitmapDecoder;
 
 #ifdef DEBUG_NON_DETERMINISTIC_ASSERT
     // Debugging counter to keep track of how many bitmaps we
     // have decoded.
     int fDecodedBitmapIndex;
 #endif // DEBUG_NON_DETERMINISTIC_ASSERT
 };
 
 #endif // SkReadBuffer_DEFINED