Fix crash in nvpr text after abandoning context

src/gpu/GrStencilAndCoverTextContext.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrStencilAndCoverTextContext.h"
 #include "GrDrawTarget.h"
 #include "GrGpu.h"
@@ skipping 76 matching lines @@
         // fallback, which we don't want to do at this point.
         , fPathRange(context->getGpu()->createPathRange(kMaxGlyphCount, stroke)) {
         memset(fLoadedGlyphs, 0, sizeof(fLoadedGlyphs));
     }
 
     ~GlyphPathRange() {
         this->release();
         SkDescriptor::Free(fDesc);
     }
 
-    virtual void onRelease() SK_OVERRIDE {
-        INHERITED::onRelease();
-        fPathRange.reset(NULL);
-    }
-
-    virtual void onAbandon() SK_OVERRIDE {
-        INHERITED::onAbandon();
-        fPathRange->abandon();
-        fPathRange.reset(NULL);
-    }
-
-
     static const int kMaxGroupCount = (kMaxGlyphCount + (kGlyphGroupSize - 1)) / kGlyphGroupSize;
     SkDescriptor* const fDesc;
     uint8_t fLoadedGlyphs[(kMaxGroupCount + 7) >> 3]; // One bit per glyph group
     SkAutoTUnref<GrPathRange> fPathRange;
 
     typedef GrGpuResource INHERITED;
 };
 
 
 GrStencilAndCoverTextContext::GrStencilAndCoverTextContext(
@@ skipping 336 matching lines @@
     SkSafeUnref(fGlyphs);
     fGlyphs = NULL;
     fGlyphCache = NULL;
 
     fDrawTarget->drawState()->stencil()->setDisabled();
     fStateRestore.set(NULL);
     fContext->setMatrix(fContextInitialMatrix);
     GrTextContext::finish();
 }