Revert of Add Gr*Proxy classes

include/core/SkTypes.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTypes_DEFINED
 #define SkTypes_DEFINED
 
@@ skipping 424 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 /**
  *  Indicates whether an allocation should count against a cache budget.
  */
 enum class SkBudgeted : bool {
     kNo  = false,
     kYes = true
 };
 
-/**
- * Indicates whether a backing store needs to be an exact match or can be larger
- * than is strictly necessary
- */
-enum class SkBackingFit {
-    kApprox,
-    kExact
-};
-
 ///////////////////////////////////////////////////////////////////////////////
 
 /** Use to combine multiple bits in a bitmask in a type safe way.
  */
 template <typename T>
 T SkTBitOr(T a, T b) {
     return (T)(a | b);
 }
 
 /**
@@ skipping 236 matching lines @@
 
     void*       fPtr;
     size_t      fSize;  // can be larger than the requested size (see kReuse)
     uint32_t    fStorage[kSize >> 2];
 };
 // Can't guard the constructor because it's a template class.
 
 #endif /* C++ */
 
 #endif