Revert of extract some common code from PictureRenderer

src/utils/SkDataUtils.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 "SkData.h"
-#include "SkDataUtils.h"
-#include "SkStream.h"
-
-/*static*/ SkData* SkDataUtils::ReadIntoSkData(SkStream &stream, size_t maxBytes) {
-    if (0 == maxBytes) {
-        return SkData::NewEmpty();
-    }
-    char* bufStart = reinterpret_cast<char *>(sk_malloc_throw(maxBytes));
-    char* bufPtr = bufStart;
-    size_t bytesRemaining = maxBytes;
-    while (bytesRemaining > 0) {
-        size_t bytesReadThisTime = stream.read(bufPtr, bytesRemaining);
-        if (0 == bytesReadThisTime) {
-            break;
-        }
-        bytesRemaining -= bytesReadThisTime;
-        bufPtr += bytesReadThisTime;
-    }
-    return SkData::NewFromMalloc(bufStart, maxBytes - bytesRemaining);
-}