Revert "Frameworks/base: Unused parameters in hwui"

This reverts commit 42ddc18d108f789705ad4eb697ce9599ad322507.

Change-Id: I3574a936a39a96314db6437d0a1eb58d260d893d
diff --git a/libs/hwui/TessellationCache.h b/libs/hwui/TessellationCache.h
index a05c690..688a699 100644
--- a/libs/hwui/TessellationCache.h
+++ b/libs/hwui/TessellationCache.h
@@ -178,8 +178,7 @@
     // holds a pointer, and implicit strong ref to each shadow task of the frame
     LruCache<ShadowDescription, Task<vertexBuffer_pair_t*>*> mShadowCache;
     class BufferPairRemovedListener : public OnEntryRemoved<ShadowDescription, Task<vertexBuffer_pair_t*>*> {
-        void operator()(ShadowDescription& /* description */,
-                        Task<vertexBuffer_pair_t*>*& bufferPairTask) {
+        void operator()(ShadowDescription& description, Task<vertexBuffer_pair_t*>*& bufferPairTask) {
             bufferPairTask->decStrong(NULL);
         }
     };