Added issue on crashing Dartium 45 pausing and remove method not used.

Source/bindings/core/dart/DartUtilities.h

 // Copyright 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:
 //
 //    * 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 249 matching lines @@
     }
 
     static ScriptState* v8ScriptStateForCurrentIsolate();
 
     static ExecutionContext* scriptExecutionContext();
     // FIXMEDART: Should have a variant that takes a Dart_NativeArguments to avoid TLS.
     static DartScriptState* currentDartScriptState();
 
     static bool processingUserGesture();
 
-    static PassRefPtr<ScriptArguments> createScriptArguments(Dart_Handle argument, Dart_Handle& exception);
-
     static PassRefPtr<ScriptCallStack> createScriptCallStack();
     static ScriptCallFrame getTopFrame(Dart_StackTrace, Dart_Handle& exception);
     static ScriptCallFrame toScriptCallFrame(Dart_ActivationFrame, Dart_Handle& exception);
 
     static const uint8_t* vmIsolateSnapshot();
     static const uint8_t* isolateSnapshot();
 
     static Dart_Handle canonicalizeUrl(Dart_Handle library, Dart_Handle urlHandle, String url);
 
     static void reportProblem(ExecutionContext*, const String&, int line = 0, int col = 0);
@@ skipping 1015 matching lines @@
     timerStop = currentTimeMS();  \
     fprintf(stdout, "%s %.3f ms\n", msg, (timerStop - timerStart));
 #else
 #define DART_START_TIMER()
 #define DART_RECORD_TIMER(msg)
 #endif
 
 } // namespace blink
 
 #endif // DartUtilities_h