Revert of Refactor GrBufferAllocPools to use resource cache

include/gpu/GrTextureProvider.h

Index: include/gpu/GrTextureProvider.h
diff --git a/include/gpu/GrTextureProvider.h b/include/gpu/GrTextureProvider.h
index 10b66c0b3cf701cb0cbff9be7367d197dba9f939..3f8c760f9b8c3b29343b8dba324143d1d04942da 100644
--- a/include/gpu/GrTextureProvider.h
+++ b/include/gpu/GrTextureProvider.h
@@ -160,12 +160,12 @@
     GrGpu* gpu() { return fGpu; }
     const GrGpu* gpu() const { return fGpu; }
 
+private:
     bool isAbandoned() const {
         SkASSERT(SkToBool(fGpu) == SkToBool(fCache));
         return !SkToBool(fCache);
     }
 
-private:
     GrResourceCache* fCache;
     GrGpu* fGpu;
 };