IDL: Fix exception handling when converting V8 value to union/dictionary

Source/bindings/core/v8/V8BindingMacros.h

 /*
  * Copyright (C) 2010 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 81 matching lines @@
     var = (value);                                                        \
     if (UNLIKELY(exceptionState.throwIfNeeded()))                         \
         return;                                                           \
 
 #define TONATIVE_VOID_EXCEPTIONSTATE(type, var, value, exceptionState)  \
     type var;                                                           \
     var = (value);                                                      \
     if (UNLIKELY(exceptionState.throwIfNeeded()))                       \
         return;
 
+#define TONATIVE_VOID_EXCEPTIONSTATE_NOTHROW(type, var, value, exceptionState) \
+    type var;                                                                  \
+    var = (value);                                                             \
+    if (UNLIKELY(exceptionState.hadException()))                               \
+        return;
+
 #define TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(value, exceptionState) \
     (value);                                                            \
     if (UNLIKELY(exceptionState.throwIfNeeded()))                       \
         return;
 
+#define TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL_NOTHROW(value, exceptionState) \
+    (value);                                                                    \
+    if (UNLIKELY(exceptionState.hadException()))                                \
+        return;
+
 #define TONATIVE_DEFAULT_EXCEPTIONSTATE(type, var, value, exceptionState, retVal) \
     type var = (value);                                                           \
     if (UNLIKELY(exceptionState.throwIfNeeded()))                                 \
         return retVal;
 
 // We need to cancel the exception propergation when we return a rejected
 // Promise.
 #define TONATIVE_VOID_EXCEPTIONSTATE_PROMISE_INTERNAL(var, value, exceptionState, info, scriptState) \
     var = (value);                                                                                   \
     if (UNLIKELY(exceptionState.hadException())) {                                                   \
@@ skipping 33 matching lines @@
 #define TOSTRING_VOID_EXCEPTIONSTATE_PROMISE_INTERNAL(var, value, exceptionState, info, scriptState) \
     var = (value);                                                                                   \
     if (UNLIKELY(!var.prepare(exceptionState)))  {                                                   \
         v8SetReturnValue(info, exceptionState.reject(scriptState).v8Value());                        \
         return;                                                                                      \
     }
 
 } // namespace blink
 
 #endif // V8BindingMacros_h