remove confusing/unused stream methods

src/core/SkStream.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkStream.h"
@@ skipping 46 matching lines @@
     }
     if (SK_BYTE_SENTINEL_FOR_U16 == byte) {
         return this->readU16();
     } else if (SK_BYTE_SENTINEL_FOR_U32 == byte) {
         return this->readU32();
     } else {
         return byte;
     }
 }
 
-SkData* SkStream::readData() {
-    size_t size = this->readU32();
-    if (0 == size) {
-        return SkData::NewEmpty();
-    } else {
-        SkData* data = SkData::NewUninitialized(size);
-        this->read(data->writable_data(), size);
-        return data;
-    }
-}
-
 //////////////////////////////////////////////////////////////////////////////////////
 
 SkWStream::~SkWStream()
 {
 }
 
 void SkWStream::newline()
 {
     this->write("\n", 1);
 }
@@ skipping 94 matching lines @@
         }
         stream->read(scratch, n);
         if (!this->write(scratch, n)) {
             return false;
         }
         length -= n;
     }
     return true;
 }
 
-bool SkWStream::writeData(const SkData* data) {
-    if (data) {
-        this->write32(SkToU32(data->size()));
-        this->write(data->data(), data->size());
-    } else {
-        this->write32(0);
-    }
-    return true;
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 SkFILEStream::SkFILEStream(const char file[]) : fName(file), fOwnership(kCallerPasses_Ownership) {
     fFILE = file ? sk_fopen(fName.c_str(), kRead_SkFILE_Flag) : NULL;
 }
 
 SkFILEStream::SkFILEStream(FILE* file, Ownership ownership)
     : fFILE((SkFILE*)file)
     , fOwnership(ownership) {
 }
@@ skipping 719 matching lines @@
     SkDynamicMemoryWStream tempStream;
     const size_t bufferSize = 4096;
     char buffer[bufferSize];
     do {
         size_t bytesRead = stream->read(buffer, bufferSize);
         tempStream.write(buffer, bytesRead);
     } while (!stream->isAtEnd());
     return tempStream.detachAsStream();  // returns a SkBlockMemoryStream,
                                          // cheaper than copying to SkData
 }