Assert event timestamp to be monotonic and not from future

third_party/WebKit/Source/web/WebTestingSupport.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * 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.
  */
 
 #include "public/web/WebTestingSupport.h"
 
 #include "bindings/modules/v8/V8InternalsPartial.h"
 #include "core/testing/v8/WebCoreTestSupport.h"
 #include "public/web/WebLocalFrame.h"
+#include "wtf/CurrentTime.h"
 #include <v8/include/v8.h>
 
 namespace blink {
 
 v8::Local<v8::Value> WebTestingSupport::createInternalsObject(v8::Local<v8::Context> context)
 {
     V8InternalsPartial::initialize();
     return WebCoreTestSupport::createInternalsObject(context);
 }
 
@@ skipping 10 matching lines @@
     WebCoreTestSupport::resetInternalsObject(frame->mainWorldScriptContext());
 }
 
 void WebTestingSupport::injectInternalsObject(v8::Local<v8::Context> context)
 {
     V8InternalsPartial::initialize();
     v8::HandleScope handleScope(v8::Isolate::GetCurrent());
     WebCoreTestSupport::injectInternalsObject(context);
 }
 
+void WebTestingSupport::setMonotonicallyIncreasingTimeFunctionForTesting(TimeFunction timeFunction)
+{
+    WTF::setMonotonicallyIncreasingTimeFunctionForTesting(timeFunction);
+}
+
 } // namespace blink