Clean up the GrTHashTable API.

tests/HashCacheTest.cpp

 /*
  * Copyright 2012 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"
 
@@ skipping 137 matching lines @@
 
     // remove the 0:0 entries
     {
         cache.remove(0, &negHashElements[0]);
         cache.remove(0, &posHashElements[0]);
         REPORTER_ASSERT(reporter, 18 == cache.count());
 
         HashElement* found = cache.find(0);
         REPORTER_ASSERT(reporter, NULL == found);
     }
-
-    // remove all
-    {
-        cache.removeAll();
-        REPORTER_ASSERT(reporter, 0 == cache.count());
-    }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("HashCache", HashCacheTestClass, TestHashCache)
 
 #endif