refactor fonthost_tables into wrapper (fonthost) and impl (fontstream)



git-svn-id: http://skia.googlecode.com/svn/trunk@7958 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/core.gypi b/gyp/core.gypi
index 590cac2..e6f917f 100644
--- a/gyp/core.gypi
+++ b/gyp/core.gypi
@@ -88,6 +88,8 @@
         '<(skia_src_path)/core/SkFontHost.cpp',
         '<(skia_src_path)/core/SkFontDescriptor.cpp',
         '<(skia_src_path)/core/SkFontDescriptor.h',
+        '<(skia_src_path)/core/SkFontStream.cpp',
+        '<(skia_src_path)/core/SkFontStream.h',
         '<(skia_src_path)/core/SkGeometry.cpp',
         '<(skia_src_path)/core/SkGlyphCache.cpp',
         '<(skia_src_path)/core/SkGlyphCache.h',