Add SkTLList, linked list class implemented on top of the internal llist class.

R=robertphillips@google.com
Committed: https://code.google.com/p/skia/source/detail?r=6644
Review URL: https://codereview.appspot.com/6869049

git-svn-id: http://skia.googlecode.com/svn/trunk@6647 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/core.gypi b/gyp/core.gypi
index 960af33..f3402b1 100644
--- a/gyp/core.gypi
+++ b/gyp/core.gypi
@@ -164,6 +164,7 @@
         '<(skia_src_path)/core/SkTextFormatParams.h',
         '<(skia_src_path)/core/SkTileGrid.cpp',
         '<(skia_src_path)/core/SkTileGrid.h',
+        '<(skia_src_path)/core/SkTLList.h',
         '<(skia_src_path)/core/SkTLS.cpp',
         '<(skia_src_path)/core/SkTSearch.cpp',
         '<(skia_src_path)/core/SkTSort.h',