Clean up some unused atomic routines.

tests/AtomicTest.cpp

-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkAtomics.h"
-#include "SkThreadUtils.h"
-#include "SkTypes.h"
-#include "Test.h"
-
-struct AddInfo {
-    int32_t valueToAdd;
-    int timesToAdd;
-};
-
-static int32_t base = 0;
-
-static AddInfo gAdds[] = {
-    { 3, 100 },
-    { 2, 200 },
-    { 7, 150 },
-};
-
-static void addABunchOfTimes(void* data) {
-    AddInfo* addInfo = static_cast<AddInfo*>(data);
-    for (int i = 0; i < addInfo->timesToAdd; i++) {
-        sk_atomic_add(&base, addInfo->valueToAdd);
-    }
-}
-
-DEF_TEST(Atomic, reporter) {
-    int32_t total = base;
-    SkThread* threads[SK_ARRAY_COUNT(gAdds)];
-    for (size_t i = 0; i < SK_ARRAY_COUNT(gAdds); i++) {
-        total += gAdds[i].valueToAdd * gAdds[i].timesToAdd;
-    }
-    // Start the threads
-    for (size_t i = 0; i < SK_ARRAY_COUNT(gAdds); i++) {
-        threads[i] = new SkThread(addABunchOfTimes, &gAdds[i]);
-        threads[i]->start();
-    }
-
-    // Now end the threads
-    for (size_t i = 0; i < SK_ARRAY_COUNT(gAdds); i++) {
-        threads[i]->join();
-        delete threads[i];
-    }
-    REPORTER_ASSERT(reporter, total == base);
-    // Ensure that the returned value from sk_atomic_add is correct.
-    int32_t valueToModify = 3;
-    const int32_t originalValue = valueToModify;
-    REPORTER_ASSERT(reporter, originalValue == sk_atomic_add(&valueToModify, 7));
-
-    {
-        SkAtomic<int> v {0};
-        REPORTER_ASSERT(reporter, 0 == v.load());
-        v = 10;
-        REPORTER_ASSERT(reporter, 10 == v.load());
-        int q = v;
-        REPORTER_ASSERT(reporter, 10 == q);
-    }
-}