Turned on SkSL->GLSL compiler

src/sksl/SkSLContext.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
  
 #ifndef SKSL_CONTEXT
 #define SKSL_CONTEXT
 
@@ skipping 42 matching lines @@
     , fDMat2x4_Type(new Type("dmat2x4", *fFloat_Type, 2, 4))
     , fDMat3x2_Type(new Type("dmat3x2", *fFloat_Type, 3, 2))
     , fDMat3x3_Type(new Type("dmat3",   *fFloat_Type, 3, 3))
     , fDMat3x4_Type(new Type("dmat3x4", *fFloat_Type, 3, 4))
     , fDMat4x2_Type(new Type("dmat4x2", *fFloat_Type, 4, 2))
     , fDMat4x3_Type(new Type("dmat4x3", *fFloat_Type, 4, 3))
     , fDMat4x4_Type(new Type("dmat4",   *fFloat_Type, 4, 4))
     , fSampler1D_Type(new Type("sampler1D", SpvDim1D, false, false, false, true))
     , fSampler2D_Type(new Type("sampler2D", SpvDim2D, false, false, false, true))
     , fSampler3D_Type(new Type("sampler3D", SpvDim3D, false, false, false, true))
+    , fSamplerExternalOES_Type(new Type("samplerExternalOES", SpvDim2D, false, false, false, true))
     , fSamplerCube_Type(new Type("samplerCube"))
     , fSampler2DRect_Type(new Type("sampler2DRect"))
     , fSampler1DArray_Type(new Type("sampler1DArray"))
     , fSampler2DArray_Type(new Type("sampler2DArray"))
     , fSamplerCubeArray_Type(new Type("samplerCubeArray"))
     , fSamplerBuffer_Type(new Type("samplerBuffer"))
     , fSampler2DMS_Type(new Type("sampler2DMS"))
     , fSampler2DMSArray_Type(new Type("sampler2DMSArray"))
     , fSampler1DShadow_Type(new Type("sampler1DShadow"))
     , fSampler2DShadow_Type(new Type("sampler2DShadow"))
@@ skipping 89 matching lines @@
     const std::unique_ptr<Type> fDMat3x2_Type;
     const std::unique_ptr<Type> fDMat3x3_Type;
     const std::unique_ptr<Type> fDMat3x4_Type;
     const std::unique_ptr<Type> fDMat4x2_Type;
     const std::unique_ptr<Type> fDMat4x3_Type;
     const std::unique_ptr<Type> fDMat4x4_Type;
 
     const std::unique_ptr<Type> fSampler1D_Type;
     const std::unique_ptr<Type> fSampler2D_Type;
     const std::unique_ptr<Type> fSampler3D_Type;
+    const std::unique_ptr<Type> fSamplerExternalOES_Type;
     const std::unique_ptr<Type> fSamplerCube_Type;
     const std::unique_ptr<Type> fSampler2DRect_Type;
     const std::unique_ptr<Type> fSampler1DArray_Type;
     const std::unique_ptr<Type> fSampler2DArray_Type;
     const std::unique_ptr<Type> fSamplerCubeArray_Type;
     const std::unique_ptr<Type> fSamplerBuffer_Type;
     const std::unique_ptr<Type> fSampler2DMS_Type;
     const std::unique_ptr<Type> fSampler2DMSArray_Type;
     const std::unique_ptr<Type> fSampler1DShadow_Type;
     const std::unique_ptr<Type> fSampler2DShadow_Type;
@@ skipping 36 matching lines @@
     const std::unique_ptr<Type> fUVec_Type;
 
     const std::unique_ptr<Type> fBVec_Type;
 
     const std::unique_ptr<Type> fInvalid_Type;
 };
 
 } // namespace
 
 #endif