[ABANDONED] Add exception handling options to V8StringResource<T>::prepare.

Source/bindings/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 75 matching lines @@
         var = (value);                                                        \
         if (UNLIKELY(block.HasCaught()))                                      \
             exceptionState.rethrowV8Exception(block.Exception());             \
         if (UNLIKELY(exceptionState.throwIfNeeded()))                         \
             return retVal;                                                    \
     }
 
 // type is an instance of class template V8StringResource<>,
 // but Mode argument varies; using type (not Mode) for consistency
 // with other macros and ease of code generation
-#define TOSTRING_VOID(type, var, value) \
-    type var(value);                    \
-    if (UNLIKELY(!var.prepare()))       \
+// Because V8StringResourceToString<Rethrow>::call does not use the instance
+// object, we can pass null pointer to |var.init|.
+#define TOSTRING_VOID(type, var, value)                           \
+    type var(value);                                              \
+    if (UNLIKELY(!var.init<V8StringResourceRethrowException>(0))) \
         return;
 
-#define TOSTRING_DEFAULT(type, var, value, retVal) \
-    type var(value);                               \
-    if (UNLIKELY(!var.prepare()))                  \
+#define TOSTRING_DEFAULT(type, var, value, retVal)                \
+    type var(value);                                              \
+    if (UNLIKELY(!var.init<V8StringResourceRethrowException>(0))) \
         return retVal;
 
 } // namespace WebCore
 
 #endif // V8BindingMacros_h