Use system defaults for hardware jpeg decoding
https://bugs.webkit.org/show_bug.cgi?id=132661
<rdar://problem/11348201>

Reviewed by Tim Horton.

Remove code that explicitly disabled hardware image decoding. Let the system decide what to do.

Source/WebCore:
* WebCore.exp.in:
* platform/graphics/ImageSource.h:
(WebCore::ImageSource::acceleratedImageDecodingEnabled): Deleted.
(WebCore::ImageSource::setAcceleratedImageDecodingEnabled): Deleted.
* platform/graphics/cg/ImageSourceCG.cpp:
(WebCore::ImageSource::imageSourceOptions):

Source/WebKit/mac:
* WebView/WebView.mm:
(+[WebView _setAcceleratedImageDecoding:]):
(+[WebView _acceleratedImageDecoding]): Deleted.
* WebView/WebViewPrivate.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@168452 268f45cc-cd09-0410-ab3c-d52691b4dbfc
7 files changed