Split out methods in GrGpuResource::CacheAccess that can be called outside of the cache.

Review URL: https://codereview.chromium.org/923143002
diff --git a/src/gpu/GrTest.cpp b/src/gpu/GrTest.cpp
index 14259e6..72fde04 100644
--- a/src/gpu/GrTest.cpp
+++ b/src/gpu/GrTest.cpp
@@ -8,6 +8,7 @@
 
 #include "GrTest.h"
 
+#include "GrGpuResourceCacheAccess.h"
 #include "GrInOrderDrawBuffer.h"
 #include "GrResourceCache.h"
 #include "SkString.h"
@@ -96,7 +97,7 @@
         if (resource->cacheAccess().isWrapped()) {
             ++wrapped;
         }
-        if (!resource->cacheAccess().isBudgeted()) {
+        if (!resource->resourcePriv().isBudgeted()) {
             unbudgetedSize += resource->gpuMemorySize();
         }
     }