bindings: Add toBoolean() to V8Binding.h

Source/bindings/tests/results/core/V8TestPermissiveDictionary.cpp

Index: Source/bindings/tests/results/core/V8TestPermissiveDictionary.cpp
diff --git a/Source/bindings/tests/results/core/V8TestPermissiveDictionary.cpp b/Source/bindings/tests/results/core/V8TestPermissiveDictionary.cpp
index 58c1edb1673155c2324d78c988c757f5c8061570..13f402d39bbc1bdf7e80ee1ce217dc319017f4e2 100644
--- a/Source/bindings/tests/results/core/V8TestPermissiveDictionary.cpp
+++ b/Source/bindings/tests/results/core/V8TestPermissiveDictionary.cpp
@@ -30,7 +30,9 @@ void V8TestPermissiveDictionary::toImpl(v8::Isolate* isolate, v8::Local<v8::Valu
     if (booleanMemberValue.IsEmpty() || booleanMemberValue->IsUndefined()) {
         // Do nothing.
     } else {
-        bool booleanMember = booleanMemberValue->BooleanValue();
+        bool booleanMember = toBoolean(isolate, booleanMemberValue, exceptionState);
+        if (exceptionState.hadException())
+            return;
         impl.setBooleanMember(booleanMember);
     }