use tryAllocPixels to check the result, allocPixels to require success

Source/platform/image-decoders/ImageFrame.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * 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
@@ skipping 89 matching lines @@
     m_bitmap.reset();
     return other.m_bitmap.copyTo(&m_bitmap, other.m_bitmap.colorType());
 }
 
 bool ImageFrame::setSize(int newWidth, int newHeight)
 {
     // setSize() should only be called once, it leaks memory otherwise.
     ASSERT(!width() && !height());
 
     m_bitmap.setInfo(SkImageInfo::MakeN32Premul(newWidth, newHeight));
-    if (!m_bitmap.allocPixels(m_allocator, 0))
+    if (!m_bitmap.tryAllocPixels(m_allocator, 0))
         return false;
 
     zeroFillPixelData();
     return true;
 }
 
 PassRefPtr<NativeImageSkia> ImageFrame::asNewNativeImage() const
 {
     return NativeImageSkia::create(m_bitmap);
 }
@@ skipping 30 matching lines @@
 void ImageFrame::zeroFillFrameRect(const IntRect& rect)
 {
     if (rect.isEmpty())
         return;
 
     m_bitmap.eraseArea(rect, SkColorSetARGB(0, 0, 0, 0));
     setHasAlpha(true);
 }
 
 } // namespace blink