Revert of More regular Platform implementations in unit tests (reland.)

third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h

-/*
- * Copyright (C) 2014 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef TestingPlatformSupport_h
-#define TestingPlatformSupport_h
-
-#include "platform/PlatformExport.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebDiscardableMemory.h"
-#include "wtf/Vector.h"
-
-namespace blink {
-
-class WebCompositorSupport;
-class WebThread;
-
-class TestingDiscardableMemory : public WebDiscardableMemory {
-public:
-    explicit TestingDiscardableMemory(size_t);
-    ~TestingDiscardableMemory() override;
-
-    // WebDiscardableMemory:
-    bool lock() override;
-    void* data() override;
-    void unlock() override;
-    WebMemoryAllocatorDump* createMemoryAllocatorDump(const WebString& name, WebProcessMemoryDump*) const override;
-
-private:
-    Vector<char> m_data;
-    bool m_isLocked;
-};
-
-class TestingPlatformSupport : public Platform {
-public:
-    struct Config {
-        Config()
-            : hasDiscardableMemorySupport(false)
-            , compositorSupport(nullptr) { }
-
-        bool hasDiscardableMemorySupport;
-        WebCompositorSupport* compositorSupport;
-    };
-
-    TestingPlatformSupport();
-    explicit TestingPlatformSupport(const Config&);
-
-    ~TestingPlatformSupport() override;
-
-    // Platform:
-    WebDiscardableMemory* allocateAndLockDiscardableMemory(size_t bytes) override;
-    void cryptographicallyRandomValues(unsigned char* buffer, size_t length) override;
-    const unsigned char* getTraceCategoryEnabledFlag(const char* categoryName) override;
-    WebString defaultLocale() override;
-    WebCompositorSupport* compositorSupport() override;
-    WebThread* currentThread() override;
-
-protected:
-    const Config m_config;
-    Platform* const m_oldPlatform;
-};
-
-} // namespace blink
-
-#endif // TestingPlatformSupport_h