Replace blink::WebDiscardableMemory with base::DiscardableMemory.

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
@@ skipping 16 matching lines @@
  * (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/WebCompositorSupport.h"
-#include "public/platform/WebDiscardableMemory.h"
 #include "public/platform/WebScheduler.h"
 #include "public/platform/WebThread.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class TestingPlatformMockWebTaskRunner;
 class TestingPlatformMockWebThread;
 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 TestingCompositorSupport : public WebCompositorSupport {
 };
 
 class TestingPlatformMockScheduler : public WebScheduler {
     WTF_MAKE_NONCOPYABLE(TestingPlatformMockScheduler);
 public:
     TestingPlatformMockScheduler();
     ~TestingPlatformMockScheduler() override;
 
     void runSingleTask();
@@ skipping 17 matching lines @@
 
 private:
     WTF::Deque<OwnPtr<WebTaskRunner::Task>> m_tasks;
     OwnPtr<TestingPlatformMockWebTaskRunner> m_mockWebTaskRunner;
 };
 
 class TestingPlatformSupport : public Platform {
     WTF_MAKE_NONCOPYABLE(TestingPlatformSupport);
 public:
     struct Config {
-        Config()
-            : hasDiscardableMemorySupport(false)
-            , compositorSupport(nullptr) { }
-
-        bool hasDiscardableMemorySupport;
-        WebCompositorSupport* compositorSupport;
+        WebCompositorSupport* compositorSupport = nullptr;
     };
 
     TestingPlatformSupport();
     explicit TestingPlatformSupport(const Config&);
 
     ~TestingPlatformSupport() override;
 
     // Platform:
-    WebDiscardableMemory* allocateAndLockDiscardableMemory(size_t bytes) override;
     WebString defaultLocale() override;
     WebCompositorSupport* compositorSupport() override;
     WebThread* currentThread() override;
     WebUnitTestSupport* unitTestSupport() override;
     void registerMemoryDumpProvider(blink::WebMemoryDumpProvider*, const char* name) override {}
     void unregisterMemoryDumpProvider(blink::WebMemoryDumpProvider*) override {}
     void connectToRemoteService(const char* name, mojo::ScopedMessagePipeHandle) override;
 
 protected:
     const Config m_config;
@@ skipping 11 matching lines @@
     WebThread* currentThread() override;
     TestingPlatformMockScheduler* mockWebScheduler();
 
 protected:
     OwnPtr<TestingPlatformMockWebThread> m_mockWebThread;
 };
 
 } // namespace blink
 
 #endif // TestingPlatformSupport_h