Make GrResourceCache2 responsible for calling release, abandon, and ~.

bench/GrResourceCacheBench.cpp

Index: bench/GrResourceCacheBench.cpp
diff --git a/bench/GrResourceCacheBench.cpp b/bench/GrResourceCacheBench.cpp
index ef97ed89711c9472c2c06b9cec5dfb4f47ad8224..e1ec90d51106ea31bddc4e50e61effc0976f8b05 100644
--- a/bench/GrResourceCacheBench.cpp
+++ b/bench/GrResourceCacheBench.cpp
@@ -33,8 +33,6 @@ public:
         this->registerWithCache();
     }
 
-    virtual ~StencilResource() { this->release(); }
-
     static GrResourceKey ComputeKey(int width, int height, int sampleCnt) {
         return GrStencilBuffer::ComputeKey(width, height, sampleCnt);
     }
@@ -58,8 +56,6 @@ public:
         this->registerWithCache();
     }
 
-    virtual ~TextureResource() { this->release(); }
-
     static GrResourceKey ComputeKey(const GrSurfaceDesc& desc) {
         GrCacheID::Key key;
         memset(&key, 0, sizeof(key));