[Webkit-unassigned] [Bug 106842] adding support for DiscardablePixelRef for caching lazily decoded images

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106842





--- Comment #99 from Min Qin <qinmin at chromium.org>  2013-01-28 19:42:37 PST ---
(From update of attachment 185081)
View in context: https://bugs.webkit.org/attachment.cgi?id=185081&action=review

>> Source/WebCore/platform/graphics/chromium/DiscardablePixelRef.cpp:89
>> +    if (!m_lockedMemory && m_discardable->lock())
> 
> Could m_discardable ever be 0 here?

it shouldn't. If allocAndLockDiscardableMemory failed, we should not use the DiscardablePixelRef anymore.

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