Fix two leaks & improve leak tracking

src/gpu/GrContext.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 "GrContext.h"
@@ skipping 180 matching lines @@
     delete fDrawBuffer;
     fDrawBuffer = NULL;
 
     delete fDrawBufferVBAllocPool;
     fDrawBufferVBAllocPool = NULL;
 
     delete fDrawBufferIBAllocPool;
     fDrawBufferIBAllocPool = NULL;
 
     fAARectRenderer->reset();
+    fOvalRenderer->reset();
 
     fTextureCache->purgeAllUnlocked();
     fFontCache->freeAll();
     fGpu->markContextDirty();
 }
 
 void GrContext::resetContext(uint32_t state) {
     fGpu->markContextDirty(state);
 }
 
 void GrContext::freeGpuResources() {
     this->flush();
 
     fGpu->purgeResources();
 
     fAARectRenderer->reset();
+    fOvalRenderer->reset();
 
     fTextureCache->purgeAllUnlocked();
     fFontCache->freeAll();
     // a path renderer may be holding onto resources
     GrSafeSetNull(fPathRendererChain);
     GrSafeSetNull(fSoftwarePathRenderer);
 }
 
 size_t GrContext::getGpuTextureCacheBytes() const {
   return fTextureCache->getCachedResourceBytes();
@@ skipping 1628 matching lines @@
         return srcTexture;
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fTextureCache->printStats();
 }
 #endif