Revert of Return GrGLContext from GrTestTarget

src/gpu/GrTest.cpp

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTest.h"
 #include "GrContextOptions.h"
 #include "GrGpuResourceCacheAccess.h"
 #include "GrInOrderDrawBuffer.h"
 #include "GrResourceCache.h"
+#include "gl/GrGLInterface.h"
 #include "SkString.h"
 
-void GrTestTarget::init(GrContext* ctx, GrDrawTarget* target, const GrGLContext* gl) {
+void GrTestTarget::init(GrContext* ctx, GrDrawTarget* target, const GrGLInterface* gl) {
     SkASSERT(!fContext);
 
     fContext.reset(SkRef(ctx));
     fDrawTarget.reset(SkRef(target));
-    fGLContext.reset(SkRef(gl));
+    fGLInterface.reset(SkSafeRef(gl));
 }
 
 void GrContext::getTestTarget(GrTestTarget* tar) {
     this->flush();
     // We could create a proxy GrDrawTarget that passes through to fGpu until ~GrTextTarget() and
     // then disconnects. This would help prevent test writers from mixing using the returned
     // GrDrawTarget and regular drawing. We could also assert or fail in GrContext drawing methods
     // until ~GrTestTarget().
-    tar->init(this, fDrawingMgr.fDrawTarget, fGpu->glContextForTesting());
+    tar->init(this, fDrawingMgr.fDrawTarget, fGpu->glInterfaceForTesting());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrContext::purgeAllUnlockedResources() {
     fResourceCache->purgeAllUnlocked();
 }
 
 void GrContext::dumpCacheStats(SkString* out) const {
 #if GR_CACHE_STATS
@@ skipping 211 matching lines @@
     SkASSERT(NULL == fGpu);
     fGpu = SkNEW_ARGS(MockGpu, (this, options));
     SkASSERT(fGpu);
     this->initCommon();
 
     // We delete these because we want to test the cache starting with zero resources. Also, none of
     // these objects are required for any of tests that use this context. TODO: make stop allocating
     // resources in the buffer pools.
     fDrawingMgr.abandon();
 }