compositor-worker: Refactor CompositorWorkerManager

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 62 matching lines @@
 
     ~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;
+    WebUnitTestSupport* unitTestSupport() override;
 
 protected:
     const Config m_config;
     Platform* const m_oldPlatform;
 };
 
 } // namespace blink
 
 #endif // TestingPlatformSupport_h