use factories instead of manually setting fields

Source/platform/graphics/DeferredImageDecoder.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 248 matching lines @@
     }
 }
 
 // Creates a SkBitmap that is backed by SkDiscardablePixelRef.
 SkBitmap DeferredImageDecoder::createBitmap(size_t index)
 {
     IntSize decodedSize = m_actualDecoder->decodedSize();
     ASSERT(decodedSize.width() > 0);
     ASSERT(decodedSize.height() > 0);
 
-    SkImageInfo info;
-    info.fWidth = decodedSize.width();
-    info.fHeight = decodedSize.height();
 #if SK_B32_SHIFT // Little-endian RGBA pixels. (Android)
-    info.fColorType = kRGBA_8888_SkColorType;
+    const SkColorType colorType = kRGBA_8888_SkColorType;
 #else
-    info.fColorType = kBGRA_8888_SkColorType;
+    const SkColorType colorType = kBGRA_8888_SkColorType;
 #endif
-    info.fAlphaType = kPremul_SkAlphaType;
+    const SkImageInfo info = SkImageInfo::Make(decodedSize.width(), decodedSize.height(), colorType, kPremul_SkAlphaType);
 
     SkBitmap bitmap;
     DecodingImageGenerator* generator = new DecodingImageGenerator(m_frameGenerator, info, index);
     bool installed = SkInstallDiscardablePixelRef(generator, &bitmap);
     ASSERT_UNUSED(installed, installed);
     bitmap.pixelRef()->setURI(labelDiscardable);
     generator->setGenerationId(bitmap.getGenerationID());
     return bitmap;
 }
 
 bool DeferredImageDecoder::hotSpot(IntPoint& hotSpot) const
 {
     // TODO: Implement.
     return m_actualDecoder ? m_actualDecoder->hotSpot(hotSpot) : false;
 }
 
 } // namespace blink