Fix the speeling of "purgeable" in Gr code

tests/ResourceCacheTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #if SK_SUPPORT_GPU
 
 #include "GrContext.h"
@@ skipping 251 matching lines @@
 
     // Make sure sizes are as we expect
     REPORTER_ASSERT(reporter, 4 == cache2->getResourceCount());
     REPORTER_ASSERT(reporter, scratch->gpuMemorySize() + content->gpuMemorySize() +
                               wrapped->gpuMemorySize() + unbudgeted->gpuMemorySize() ==
                               cache2->getResourceBytes());
     REPORTER_ASSERT(reporter, 2 == cache2->getBudgetedResourceCount());
     REPORTER_ASSERT(reporter, scratch->gpuMemorySize() + content->gpuMemorySize() ==
                               cache2->getBudgetedResourceBytes());
 
-    // Our refs mean that the resources are non purgable.
+    // Our refs mean that the resources are non purgeable.
     cache2->purgeAllUnlocked();
     REPORTER_ASSERT(reporter, 4 == cache2->getResourceCount());
     REPORTER_ASSERT(reporter, scratch->gpuMemorySize() + content->gpuMemorySize() +
                               wrapped->gpuMemorySize() + unbudgeted->gpuMemorySize() ==
                               cache2->getResourceBytes());
     REPORTER_ASSERT(reporter, 2 == cache2->getBudgetedResourceCount());
     REPORTER_ASSERT(reporter, scratch->gpuMemorySize() + content->gpuMemorySize() ==
                               cache2->getBudgetedResourceBytes());
 
     // Unreffing the wrapped resource should free it right away.
@@ skipping 182 matching lines @@
     GrScratchKey scratchKey;
     TestResource::ComputeScratchKey(TestResource::kProperty2_SimulatedProperty, &scratchKey);
 
     // Scratch resources are registered with GrResourceCache2 just by existing. There are 2.
     REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
     SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache2->countScratchEntriesForKey(scratchKey));)
     REPORTER_ASSERT(reporter, 2 == cache2->getResourceCount());
     REPORTER_ASSERT(reporter, a->gpuMemorySize() + b->gpuMemorySize() ==
                               cache2->getResourceBytes());
 
-    // Our refs mean that the resources are non purgable.
+    // Our refs mean that the resources are non purgeable.
     cache2->purgeAllUnlocked();
     REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
     REPORTER_ASSERT(reporter, 2 == cache2->getResourceCount());
 
     // Unref but don't purge
     a->unref();
     b->unref();
     REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
     SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache2->countScratchEntriesForKey(scratchKey));)
 
-    // Purge again. This time resources should be purgable.
+    // Purge again. This time resources should be purgeable.
     cache2->purgeAllUnlocked();
     REPORTER_ASSERT(reporter, 0 == TestResource::NumAlive());
     REPORTER_ASSERT(reporter, 0 == cache2->getResourceCount());
     SkDEBUGCODE(REPORTER_ASSERT(reporter, 0 == cache2->countScratchEntriesForKey(scratchKey));)
 }
 
 static void test_remove_scratch_key(skiatest::Reporter* reporter) {
     Mock mock(5, 30000);
     GrContext* context = mock.context();
     GrResourceCache2* cache2 = mock.cache();
@@ skipping 407 matching lines @@
     test_duplicate_scratch_key(reporter);
     test_remove_scratch_key(reporter);
     test_scratch_key_consistency(reporter);
     test_purge_invalidated(reporter);
     test_cache_chained_purge(reporter);
     test_resource_size_changed(reporter);
     test_large_resource_count(reporter);
 }
 
 #endif