Make blink platform time consistent with the timer virtual time

third_party/WebKit/Source/core/fetch/CachingCorrectnessTest.cpp

 /*
  * 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 123 matching lines @@
             m_elapsedSeconds += seconds;
         }
 
         WebThread* currentThread() override
         {
             return m_platform->currentThread();
         }
 
     private:
         // From blink::Platform:
-        virtual double currentTime()
+        double currentTimeSeconds() override
         {
             return kOriginalRequestDateAsDouble + m_elapsedSeconds;
         }
 
         // These blink::Platform methods must be overriden to make a usable object.
         virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length) { ASSERT_NOT_REACHED(); }
         virtual const unsigned char* getTraceCategoryEnabledFlag(const char* categoryName)
         {
             return &kAConstUnsignedCharZero;
         }
@@ skipping 419 matching lines @@
     firstResource->setResponse(fresh200Response);
     memoryCache()->add(firstResource.get());
 
     advanceClock(500.);
 
     ResourcePtr<Resource> fetched = fetch();
     EXPECT_EQ(firstResource, fetched);
 }
 
 } // namespace blink