https://bugs.webkit.org/show_bug.cgi?id=112367

Reviewed by Stephen Chenney.

Source/WebCore:

Don't go to PlatformFontData path for SimpleFontData::createScaledFontData()
for SVG fonts.

Test: svg/css/font-face-variant-crash.html

* platform/graphics/SimpleFontData.cpp:
(WebCore::SimpleFontData::~SimpleFontData):
(WebCore::SimpleFontData::createScaledFontData): Don't go to PlatformFontData path for SVG fonts.
(WebCore):
* platform/graphics/SimpleFontData.h:
(SimpleFontData): Added createScaledFontData and renamed the original createScaledFontData to platformCreateScaledFontData.
                  BTW, Removed unreferenced commonInit.
* platform/graphics/blackberry/SimpleFontDataBlackBerry.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Renamed from createScaledFontData.
* platform/graphics/chromium/SimpleFontDataChromiumWin.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.
* platform/graphics/freetype/SimpleFontDataFreeType.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.
* platform/graphics/mac/SimpleFontDataMac.mm:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.
* platform/graphics/qt/SimpleFontDataQt.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.
* platform/graphics/skia/SimpleFontDataSkia.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.
* platform/graphics/win/SimpleFontDataWin.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.
* platform/graphics/wince/SimpleFontDataWinCE.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.
* platform/graphics/wx/SimpleFontDataWx.cpp:
(WebCore::SimpleFontData::platformCreateScaledFontData): Ditto.

LayoutTests:

* resources/SpaceOnly.otf: Added. A font containing only the space glyph for testing font fallback.
* svg/css/font-face-variant-crash-expected.txt: Added.
* svg/css/font-face-variant-crash.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146129 268f45cc-cd09-0410-ab3c-d52691b4dbfc