Fix leak of GrResourceCacheEntry

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index b420df2bc806c0b06fcb7aeff9f18ff5e61e0c1c..63beb7de22645a9c191e36b287f1fb2f60c60e7a 100755
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -548,8 +548,9 @@ void GrContext::unlockScratchTexture(GrTexture* texture) {
     if (texture->wasDestroyed()) {
         if (texture->getCacheEntry()->key().isScratch()) {
             // This texture was detached from the cache but the cache still had a ref to it but
-            // not a pointer to it.
-            texture->unref();
+            // not a pointer to it. This will unref the texture and delete its resource cache
+            // entry.
+            delete texture->getCacheEntry();
         }
         return;
     }