Reland of Add guards to GrTextureProvider

src/gpu/GrDrawContext.cpp

 
 /*
  * 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 "GrBatchTest.h"
 #include "GrColor.h"
@@ skipping 39 matching lines @@
 // when the drawContext attempts to use it (via getDrawTarget).
 GrDrawContext::GrDrawContext(GrDrawingManager* drawingMgr,
                              GrRenderTarget* rt,
                              const SkSurfaceProps* surfaceProps,
                              GrSingleOwner* singleOwner)
     : fDrawingManager(drawingMgr)
     , fRenderTarget(rt)
     , fDrawTarget(SkSafeRef(rt->getLastDrawTarget()))
     , fTextContext(nullptr)
     , fSurfaceProps(SkSurfacePropsCopyOrDefault(surfaceProps))
-    , fSingleOwner(singleOwner) {
+#ifdef SK_DEBUG
+    , fSingleOwner(singleOwner)
+#endif
+{
     SkDEBUGCODE(this->validate();)
 }
 
 #ifdef SK_DEBUG
 void GrDrawContext::validate() const {
     SkASSERT(fRenderTarget);
     ASSERT_OWNED_RESOURCE(fRenderTarget);
 
     if (fDrawTarget && !fDrawTarget->isClosed()) {
         SkASSERT(fRenderTarget->getLastDrawTarget() == fDrawTarget);
@@ skipping 754 matching lines @@
     pr->drawPath(args);
 }
 
 void GrDrawContext::drawBatch(GrPipelineBuilder* pipelineBuilder, GrDrawBatch* batch) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
 
     this->getDrawTarget()->drawBatch(*pipelineBuilder, batch);
 }