Move SkGLContext and some GrGLInterface implementations to skgputest module

tools/gpu/gl/debug/GrTextureUnitObj.cpp

+
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextureUnitObj.h"
 #include "GrTextureObj.h"
 
@@ skipping 10 matching lines @@
     fTexture = texture;
 
     if (fTexture) {
         GrAlwaysAssert(!fTexture->getDeleted());
         fTexture->ref();
 
         GrAlwaysAssert(!fTexture->getBound(this));
         fTexture->setBound(this);
     }
 }