Add support for multiple frames in SkCodec

tests/GifTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "CodecPriv.h"
 #include "Resources.h"
 #include "SkAndroidCodec.h"
@@ skipping 34 matching lines @@
 static void test_gif_data_no_colormap(skiatest::Reporter* r,
                                       void* data,
                                       size_t size) {
     SkBitmap bm;
     bool imageDecodeSuccess = decode_memory(data, size, &bm);
     REPORTER_ASSERT(r, imageDecodeSuccess);
     REPORTER_ASSERT(r, bm.width() == 1);
     REPORTER_ASSERT(r, bm.height() == 1);
     REPORTER_ASSERT(r, !(bm.empty()));
     if (!(bm.empty())) {
-        REPORTER_ASSERT(r, bm.getColor(0, 0) == 0xFF000000);
+        REPORTER_ASSERT(r, bm.getColor(0, 0) == 0x00000000);
     }
 }
 static void test_gif_data(skiatest::Reporter* r, void* data, size_t size) {
     SkBitmap bm;
     bool imageDecodeSuccess = decode_memory(data, size, &bm);
     REPORTER_ASSERT(r, imageDecodeSuccess);
     REPORTER_ASSERT(r, bm.width() == 3);
     REPORTER_ASSERT(r, bm.height() == 3);
     REPORTER_ASSERT(r, !(bm.empty()));
     if (!(bm.empty())) {
@@ skipping 154 matching lines @@
     options.fSampleSize = 4;
     options.fColorPtr = colorPtr;
     options.fColorCount = colorCountPtr;
 
     SkBitmap bm;
     bm.allocPixels(codec->getInfo(), nullptr, colorTable.get());
     const SkCodec::Result result = codec->getAndroidPixels(codec->getInfo(), bm.getPixels(),
             bm.rowBytes(), &options);
     REPORTER_ASSERT(r, result == SkCodec::kSuccess);
 }