Update SkLightingShader to support rotation

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 99 matching lines @@
         '<(skia_src_path)/core/SkGlyphCache.h',
         '<(skia_src_path)/core/SkGlyphCache_Globals.h',
         '<(skia_src_path)/core/SkGraphics.cpp',
         '<(skia_src_path)/core/SkHalf.cpp',
         '<(skia_src_path)/core/SkHalf.h',
         '<(skia_src_path)/core/SkImageFilter.cpp',
         '<(skia_src_path)/core/SkImageInfo.cpp',
         '<(skia_src_path)/core/SkImageCacherator.cpp',
         '<(skia_src_path)/core/SkImageGenerator.cpp',
         '<(skia_src_path)/core/SkLayerInfo.h',
+        '<(skia_src_path)/core/SkLight.h',
+        '<(skia_src_path)/core/SkLightingShader.h',
+        '<(skia_src_path)/core/SkLightingShader.cpp',
+        '<(skia_src_path)/core/SkLineClipper.cpp',
         '<(skia_src_path)/core/SkLocalMatrixShader.cpp',
-        '<(skia_src_path)/core/SkLineClipper.cpp',
         '<(skia_src_path)/core/SkMallocPixelRef.cpp',
         '<(skia_src_path)/core/SkMask.cpp',
         '<(skia_src_path)/core/SkMaskCache.cpp',
         '<(skia_src_path)/core/SkMaskFilter.cpp',
         '<(skia_src_path)/core/SkMaskGamma.cpp',
         '<(skia_src_path)/core/SkMaskGamma.h',
         '<(skia_src_path)/core/SkMath.cpp',
         '<(skia_src_path)/core/SkMatrix.cpp',
         '<(skia_src_path)/core/SkMatrixImageFilter.cpp',
         '<(skia_src_path)/core/SkMatrixImageFilter.h',
@@ skipping 23 matching lines @@
         '<(skia_src_path)/core/SkPicturePlayback.cpp',
         '<(skia_src_path)/core/SkPicturePlayback.h',
         '<(skia_src_path)/core/SkPictureRecord.cpp',
         '<(skia_src_path)/core/SkPictureRecord.h',
         '<(skia_src_path)/core/SkPictureRecorder.cpp',
         '<(skia_src_path)/core/SkPictureShader.cpp',
         '<(skia_src_path)/core/SkPictureShader.h',
         '<(skia_src_path)/core/SkPixelRef.cpp',
         '<(skia_src_path)/core/SkPixmap.cpp',
         '<(skia_src_path)/core/SkPoint.cpp',
+        '<(skia_src_path)/core/SkPoint3.cpp',
+        '<(skia_src_path)/core/SkPoint3.h',
         '<(skia_src_path)/core/SkPtrRecorder.cpp',
         '<(skia_src_path)/core/SkQuadClipper.cpp',
         '<(skia_src_path)/core/SkQuadClipper.h',
         '<(skia_src_path)/core/SkRasterClip.cpp',
         '<(skia_src_path)/core/SkRasterizer.cpp',
         '<(skia_src_path)/core/SkReadBuffer.h',
         '<(skia_src_path)/core/SkReadBuffer.cpp',
         '<(skia_src_path)/core/SkReader32.h',
         '<(skia_src_path)/core/SkRecord.cpp',
         '<(skia_src_path)/core/SkRecords.cpp',
@@ skipping 220 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',
     ],
 }