Remove GrStencilSettings from GrPipeline

src/gpu/GrStencilSettings.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrStencilSettings.h"
 
@@ skipping 10 matching lines @@
 );
 
 GR_STATIC_ASSERT(kAll_StencilFlags == (gUnused.fFrontFlags[0] & gUnused.fBackFlags[0]));
 
 const GrUserStencilSettings& GrUserStencilSettings::kUnused = gUnused;
 
 void GrStencilSettings::reset(const GrUserStencilSettings& user, bool hasStencilClip,
                               int numStencilBits) {
     uint16_t frontFlags = user.fFrontFlags[hasStencilClip];
     if (frontFlags & kSingleSided_StencilFlag) {
+        SkASSERT(frontFlags == user.fBackFlags[hasStencilClip]);
         fFlags = frontFlags;
         if (!this->isDisabled()) {
             fFront.reset(user.fFront, hasStencilClip, numStencilBits);
         }
         return;
     }
 
     uint16_t backFlags = user.fBackFlags[hasStencilClip];
     fFlags = frontFlags & backFlags;
     if (this->isDisabled()) {
@@ skipping 439 matching lines @@
     GR_STATIC_ASSERT(4 == offsetof(Face, fTestMask));
     GR_STATIC_ASSERT(2 == sizeof(Face::fTestMask));
     GR_STATIC_ASSERT(6 == offsetof(Face, fPassOp));
     GR_STATIC_ASSERT(1 == sizeof(Face::fPassOp));
     GR_STATIC_ASSERT(7 == offsetof(Face, fFailOp));
     GR_STATIC_ASSERT(1 == sizeof(Face::fFailOp));
     GR_STATIC_ASSERT(8 == offsetof(Face, fWriteMask));
     GR_STATIC_ASSERT(2 == sizeof(Face::fWriteMask));
     GR_STATIC_ASSERT(10 == sizeof(Face));
 }