Revert of Track GL buffer state based on unique resource ID

include/gpu/GrTypesPriv.h

Index: include/gpu/GrTypesPriv.h
diff --git a/include/gpu/GrTypesPriv.h b/include/gpu/GrTypesPriv.h
index 39386f0140a7253fa0289172a5b09cfd4113b23a..bf8ea4906352ed9c98c2ed8e3cb37594337e47a6 100644
--- a/include/gpu/GrTypesPriv.h
+++ b/include/gpu/GrTypesPriv.h
@@ -406,22 +406,11 @@
 enum GrBufferType {
     kVertex_GrBufferType,
     kIndex_GrBufferType,
-    kTexel_GrBufferType,
-    kDrawIndirect_GrBufferType,
     kXferCpuToGpu_GrBufferType,
     kXferGpuToCpu_GrBufferType,
 
     kLast_GrBufferType = kXferGpuToCpu_GrBufferType
 };
-static const int kGrBufferTypeCount = kLast_GrBufferType + 1;
-
-static inline bool GrBufferTypeIsVertexOrIndex(GrBufferType type) {
-    SkASSERT(type >= 0 && type < kGrBufferTypeCount);
-    return type <= kIndex_GrBufferType;
-
-    GR_STATIC_ASSERT(0 == kVertex_GrBufferType);
-    GR_STATIC_ASSERT(1 == kIndex_GrBufferType);
-}
 
 /**
 * Provides a performance hint regarding the frequency at which a data store will be accessed.