Remove GrTextBlobCache/GrAtlasTextBlob friendliness

src/gpu/text/GrTextBlobCache.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextBlobCache.h"
 
 static const int kVerticesPerGlyph = 4;
 
 GrTextBlobCache::~GrTextBlobCache() {
     this->freeAll();
 }
 
-GrAtlasTextBlob* GrTextBlobCache::createBlob(int glyphCount, int runCount, size_t maxVASize) {
-    // We allocate size for the GrAtlasTextBlob itself, plus size for the vertices array,
-    // and size for the glyphIds array.
-    size_t verticesCount = glyphCount * kVerticesPerGlyph * maxVASize;
-    size_t size = sizeof(GrAtlasTextBlob) +
-                  verticesCount +
-                  glyphCount * sizeof(GrGlyph**) +
-                  sizeof(GrAtlasTextBlob::Run) * runCount;
-
-    void* allocation = fPool.allocate(size);
-    if (CACHE_SANITY_CHECK) {
-        sk_bzero(allocation, size);
-    }
-
-    GrAtlasTextBlob* cacheBlob = new (allocation) GrAtlasTextBlob;
-    cacheBlob->fSize = size;
-
-    // setup offsets for vertices / glyphs
-    cacheBlob->fVertices = sizeof(GrAtlasTextBlob) + reinterpret_cast<unsigned char*>(cacheBlob);
-    cacheBlob->fGlyphs = reinterpret_cast<GrGlyph**>(cacheBlob->fVertices + verticesCount);
-    cacheBlob->fRuns = reinterpret_cast<GrAtlasTextBlob::Run*>(cacheBlob->fGlyphs + glyphCount);
-
-    // Initialize runs
-    for (int i = 0; i < runCount; i++) {
-        new (&cacheBlob->fRuns[i]) GrAtlasTextBlob::Run;
-    }
-    cacheBlob->fRunCount = runCount;
-    cacheBlob->fPool = &fPool;
-    return cacheBlob;
-}
-
 void GrTextBlobCache::freeAll() {
     SkTDynamicHash<GrAtlasTextBlob, GrAtlasTextBlob::Key>::Iter iter(&fCache);
     while (!iter.done()) {
         GrAtlasTextBlob* blob = &(*iter);
         fBlobList.remove(blob);
         blob->unref();
         ++iter;
     }
     fCache.rewind();
 
     // There should be no allocations in the memory pool at this point
     SkASSERT(fPool.isEmpty());
 }