Create UTF-8 string from in-band VTT cues

[Eric Carlson]

VTT cues are always UTF-8, so use String::fromUTF8().

[Eric Carlson]

Created attachment 236219 [details]
Proposed patch.

[Eric Carlson]

Committed r172257: https://trac.webkit.org/r172257

[Eric Carlson]

<rdar://problem/17925660>

[Alexey Proskuryakov]

Comment on attachment 236219 [details]
Proposed patch.

View in context: https://bugs.webkit.org/attachment.cgi?id=236219&action=review

> Source/WebCore/platform/graphics/ISOVTTCue.cpp:78
> +    return String::fromUTF8(JSC::Uint8Array::create(data, offset, length)->data(), length);

What is the reason to create a UInt8Array here? This seems much more natural to me:

return String::fromUTF8(static_cast<const char*>(data->data()) + offset, length);