remove GrAllocPool

src/gpu/GrMemoryPool.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrMemoryPool_DEFINED
 #define GrMemoryPool_DEFINED
 
@@ skipping 20 matching lines @@
     /**
      * Allocates memory. The memory must be freed with release().
      */
     void* allocate(size_t size);
 
     /**
      * p must have been returned by allocate()
      */
     void release(void* p);
 
+    void releaseAll();
+
     /**
      * Returns true if there are no unreleased allocations.
      */
     bool isEmpty() const { return fTail == fHead && !fHead->fLiveCount; }
 
 private:
     struct BlockHeader;
 
     static BlockHeader* CreateBlock(size_t size);
 
@@ skipping 19 matching lines @@
     };
     size_t                            fPreallocSize;
     size_t                            fMinAllocSize;
     BlockHeader*                      fHead;
     BlockHeader*                      fTail;
 #ifdef SK_DEBUG
     int                               fAllocationCnt;
 #endif
 };
 
+template <typename T> class GrTMemoryPool {
+public:
+    GrTMemoryPool(size_t count)
+        : fPool(count * sizeof(T), count * sizeof(T)) {}
+
+    T* allocate() { return (T*)fPool.allocate(sizeof(T)); }
+    void releaseAll() { fPool.releaseAll(); }
+
+private:
+    GrMemoryPool fPool;
+};
+
 #endif