[Reland] Per WebViewScheduler virtual time

third_party/WebKit/Source/platform/testing/TestingPlatformSupport.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 113 matching lines @@
     {
         ASSERT_NOT_REACHED();
     }
 
     WebTaskRunner* clone() override
     {
         ASSERT_NOT_REACHED();
         return nullptr;
     }
 
+    double virtualTimeSeconds() const override
+    {
+        return 0.0;
+    }
+
+    double monotonicallyIncreasingVirtualTimeSeconds() const override
+    {
+        return 0.0;
+    }
+
 private:
     Deque<OwnPtr<WebTaskRunner::Task>>* m_tasks; // NOT OWNED
 };
 
 // TestingPlatformMockScheduler definition:
 
 TestingPlatformMockScheduler::TestingPlatformMockScheduler()
     : m_mockWebTaskRunner(adoptPtr(new TestingPlatformMockWebTaskRunner(&m_tasks))) { }
 
 TestingPlatformMockScheduler::~TestingPlatformMockScheduler() { }
@@ skipping 67 matching lines @@
 {
     return m_mockWebThread.get();
 }
 
 TestingPlatformMockScheduler* TestingPlatformSupportWithMockScheduler::mockWebScheduler()
 {
     return m_mockWebThread->mockWebScheduler();
 }
 
 } // namespace blink