Separate mimetype and file extension mapping API from WebKit/blackberry/Api/WebKitTex...

Separate mimetype and file extension mapping API from WebKit/blackberry/Api/WebKitTextCodec and complete it.
https://bugs.webkit.org/show_bug.cgi?id=78605

Patch by Lianghui Chen <liachen@rim.com> on 2012-02-14
Reviewed by Rob Buis.

Now the MIME type and file extension mapping API are in WebKitMIMETypeConverter.

* blackberry/Api/WebKitMIMETypeConverter.cpp: Added.
(WebKit):
(BlackBerry::WebKit::getExtensionForMimeType):
(BlackBerry::WebKit::getMimeTypeForExtension):
* blackberry/Api/WebKitMIMETypeConverter.h: Added.
(WebKit):
* blackberry/Api/WebKitTextCodec.cpp:
* blackberry/Api/WebKitTextCodec.h:
* blackberry/CMakeListsBlackBerry.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@107730 268f45cc-cd09-0410-ab3c-d52691b4dbfc