Some fixes around GrContext::abandonContext:

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 498 matching lines @@
     if (NULL == texture) {
         return;
     }
 
     // This texture should already have a cache entry since it was once
     // attached
     SkASSERT(NULL != texture->getCacheEntry());
 
     // Conceptually, the cache entry is going to assume responsibility
     // for the creation ref. Assert refcnt == 1.
-    SkASSERT(texture->unique());
+    // Except that this also gets called when the texture is prematurely
+    // abandoned. In that case the ref count may be > 1.
+    // SkASSERT(texture->unique());
 
     if (fGpu->caps()->reuseScratchTextures() || NULL != texture->asRenderTarget()) {
         // Since this texture came from an AutoScratchTexture it should
         // still be in the exclusive pile. Recycle it.
         fResourceCache->makeNonExclusive(texture->getCacheEntry());
         this->purgeCache();
     } else {
         // When we aren't reusing textures we know this scratch texture
         // will never be reused and would be just wasting time in the cache
         fResourceCache->makeNonExclusive(texture->getCacheEntry());
@@ skipping 1392 matching lines @@
         fDrawBuffer->removeGpuTraceMarker(marker);
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fResourceCache->printStats();
 }
 #endif