Move MMap to SkData.

gm/factory.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkBitmapFactory.h"
 #include "SkCanvas.h"
@@ skipping 14 matching lines @@
 protected:
     virtual void onOnceBeforeDraw() SK_OVERRIDE {
         SkString filename(INHERITED::gResourcePath);
         if (!filename.endsWith("/") && !filename.endsWith("\\")) {
             filename.append("/");
         }
 
         // Copyright-free file from http://openclipart.org/detail/29213/paper-plane-by-ddoo
         filename.append("plane.png");
 
-        SkFILEStream stream(filename.c_str());
-        if (stream.isValid()) {
-            stream.rewind();
-            size_t length = stream.getLength();
+        SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(filename.c_str()));
+        if (NULL != stream.get()) {
+            stream->rewind();
+            size_t length = stream->getLength();
             void* buffer = sk_malloc_throw(length);
-            stream.read(buffer, length);
+            stream->read(buffer, length);
             SkAutoDataUnref data(SkData::NewFromMalloc(buffer, length));
             SkBitmapFactory factory(&SkImageDecoder::DecodeMemoryToTarget);
             // Create a cache which will boot the pixels out anytime the
             // bitmap is unlocked.
             SkAutoTUnref<SkLruImageCache> cache(SkNEW_ARGS(SkLruImageCache, (1)));
             factory.setImageCache(cache);
             factory.installPixelRef(data, &fBitmap);
         }
     }
 
@@ skipping 14 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new FactoryGM; }
 static GMRegistry reg(MyFactory);
 
 }