Revert of Delete all invalidated resources with same key

src/gpu/GrResourceCache.cpp

Index: src/gpu/GrResourceCache.cpp
diff --git a/src/gpu/GrResourceCache.cpp b/src/gpu/GrResourceCache.cpp
index 5e8c2c2bc6a47b23c2fef6a9ff56125d23b4b7b4..5cf3f82c7d780d1acc5ee53ca20d9f6140b1a7b4 100644
--- a/src/gpu/GrResourceCache.cpp
+++ b/src/gpu/GrResourceCache.cpp
@@ -312,8 +312,8 @@
         //
         // This is complicated and confusing.  May try this in the future.  For
         // now, these resources are just LRU'd as if we never got the message.
-        GrResourceEntry* entry;
-        while ((entry= fCache.find(invalidated[i].key, GrTFindUnreffedFunctor()))) {
+        GrResourceEntry* entry = fCache.find(invalidated[i].key, GrTFindUnreffedFunctor());
+        if (entry) {
             this->deleteResource(entry);
         }
     }