Fix compilation with SK_ENABLE_INST_COUNT=1

tests/GrMemoryPoolTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 // This is a GPU-backend specific test
 #if SK_SUPPORT_GPU
@@ skipping 49 matching lines @@
 #if SK_ENABLE_INST_COUNT
         SkASSERT(0 == GetInstanceCount());
 #endif
         gPool.reset(NULL);
     }
 
 private:
     static SkAutoTDelete<GrMemoryPool> gPool;
     char fChar;
 };
-SK_DEFINE_INST_COUNT(A);
+
 SkAutoTDelete<GrMemoryPool> A::gPool;
 
 class B : public A {
 public:
     B() {};
     virtual void setValues(int v) {
         fDouble = static_cast<double>(v);
         this->INHERITED::setValues(v);
     }
     virtual bool checkValues(int v) {
@@ skipping 155 matching lines @@
             REPORTER_ASSERT(reporter, !A::GetInstanceCount());
 #endif
         }
     }
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("GrMemoryPool", GrMemoryPoolClass, test_memory_pool)
 
 #endif