Add SkTTopoSort

gyp/core.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Include this gypi to include all 'core' files
 # The parent gyp/gypi file must define
 #       'skia_src_path'     e.g. skia/trunk/src
 #       'skia_include_path' e.g. skia/trunk/include
 #
 # The skia build defines these in common_variables.gypi
@@ skipping 257 matching lines @@
         '<(skia_src_path)/core/SkTime.cpp',
         '<(skia_src_path)/core/SkTDPQueue.h',
         '<(skia_src_path)/core/SkThreadID.cpp',
         '<(skia_src_path)/core/SkTLList.h',
         '<(skia_src_path)/core/SkTLS.cpp',
         '<(skia_src_path)/core/SkTMultiMap.h',
         '<(skia_src_path)/core/SkTraceEvent.h',
         '<(skia_src_path)/core/SkTraceEventCommon.h',
         '<(skia_src_path)/core/SkTSearch.cpp',
         '<(skia_src_path)/core/SkTSort.h',
+        '<(skia_src_path)/core/SkTTopoSort.h',
         '<(skia_src_path)/core/SkTypeface.cpp',
         '<(skia_src_path)/core/SkTypefaceCache.cpp',
         '<(skia_src_path)/core/SkTypefaceCache.h',
         '<(skia_src_path)/core/SkTypefacePriv.h',
         '<(skia_src_path)/core/SkUnPreMultiply.cpp',
         '<(skia_src_path)/core/SkUtils.cpp',
         '<(skia_src_path)/core/SkValidatingReadBuffer.cpp',
         '<(skia_src_path)/core/SkValidatingReadBuffer.h',
         '<(skia_src_path)/core/SkValidationUtils.h',
         '<(skia_src_path)/core/SkVarAlloc.cpp',
@@ skipping 180 matching lines @@
         '<(skia_src_path)/pathops/SkPathOpsLine.h',
         '<(skia_src_path)/pathops/SkPathOpsPoint.h',
         '<(skia_src_path)/pathops/SkPathOpsQuad.h',
         '<(skia_src_path)/pathops/SkPathOpsRect.h',
         '<(skia_src_path)/pathops/SkPathOpsTSect.h',
         '<(skia_src_path)/pathops/SkPathOpsTypes.h',
         '<(skia_src_path)/pathops/SkPathWriter.h',
         '<(skia_src_path)/pathops/SkReduceOrder.h',
     ],
 }