Get rid of GrMurmur3Hash

src/gpu/GrMurmur3HashKey.h

-
-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#ifndef GrMurmur3HashKey_DEFINED
-#define GrMurmur3HashKey_DEFINED
-
-#include "SkChecksum.h"
-#include "GrTypes.h"
-
-/**
- *  GrMurmur3HashKey is a hash key class that can take a data chunk of any predetermined
- *  length. It uses the Murmur3 hash function. It is intended to be used with
- *  SkTDynamicHash.
- */
-template<size_t KEY_SIZE_IN_BYTES>
-class GrMurmur3HashKey {
-public:
-    GrMurmur3HashKey() {
-        this->reset();
-    }
-
-    void reset() {
-        fHash = 0;
-#ifdef SK_DEBUG
-        fIsValid = false;
-#endif
-    }
-
-    void setKeyData(const uint32_t* data) {
-        SK_COMPILE_ASSERT(KEY_SIZE_IN_BYTES % 4 == 0, key_size_mismatch);
-        memcpy(fData, data, KEY_SIZE_IN_BYTES);
-
-        fHash = SkChecksum::Murmur3(fData, KEY_SIZE_IN_BYTES);
-#ifdef SK_DEBUG
-        fIsValid = true;
-#endif
-    }
-
-    bool operator==(const GrMurmur3HashKey& other) const {
-        if (fHash != other.fHash) {
-            return false;
-        }
-
-        return !memcmp(fData, other.fData, KEY_SIZE_IN_BYTES);
-    }
-
-    uint32_t getHash() const {
-        SkASSERT(fIsValid);
-        return fHash;
-    }
-
-    const uint8_t* getData() const {
-        SkASSERT(fIsValid);
-        return reinterpret_cast<const uint8_t*>(fData);
-    }
-
-private:
-    uint32_t fHash;
-    uint32_t fData[KEY_SIZE_IN_BYTES / sizeof(uint32_t)];  // Buffer for key storage.
-
-#ifdef SK_DEBUG
-public:
-    bool                fIsValid;
-#endif
-};
-
-#endif