Inline exception handling code into PrivateScriptRunner helpers

Source/bindings/templates/attributes.cpp

Index: Source/bindings/templates/attributes.cpp
diff --git a/Source/bindings/templates/attributes.cpp b/Source/bindings/templates/attributes.cpp
index 6b927e3fb99bd32966b5cbbee3c00b5a3b9e6c5a..0c2875bc49cbd8be2c352e946d9df93409183d10 100644
--- a/Source/bindings/templates/attributes.cpp
+++ b/Source/bindings/templates/attributes.cpp
@@ -350,13 +350,9 @@ bool {{v8_class}}::PrivateScript::{{attribute.name}}AttributeGetter(LocalFrame*
     v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::GetterContext, "{{attribute.name}}", "{{cpp_class}}", scriptState->context()->Global(), scriptState->isolate());
-    v8::TryCatch block;
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, "{{cpp_class}}", "{{attribute.name}}", holder);
-    if (block.HasCaught()) {
-        PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), block, scriptStateInUserScript, ExceptionState::GetterContext, "{{attribute.name}}", "{{cpp_class}}");
-        block.ReThrow();
+    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "{{cpp_class}}", "{{attribute.name}}", holder);
+    if (v8Value.IsEmpty())
         return false;
-    }
     {{attribute.private_script_v8_value_to_local_cpp_value}};
     RELEASE_ASSERT(!exceptionState.hadException());
     *result = cppValue;
@@ -384,14 +380,7 @@ bool {{v8_class}}::PrivateScript::{{attribute.name}}AttributeSetter(LocalFrame*
     v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "{{attribute.name}}", "{{cpp_class}}", scriptState->context()->Global(), scriptState->isolate());
-    v8::TryCatch block;
-    PrivateScriptRunner::runDOMAttributeSetter(scriptState, "{{cpp_class}}", "{{attribute.name}}", holder, {{attribute.private_script_cpp_value_to_v8_value}});
-    if (block.HasCaught()) {
-        PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), block, scriptStateInUserScript, ExceptionState::SetterContext, "{{attribute.name}}", "{{cpp_class}}");
-        block.ReThrow();
-        return false;
-    }
-    return true;
+    return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "{{cpp_class}}", "{{attribute.name}}", holder, {{attribute.private_script_cpp_value_to_v8_value}});
 }
 {% endmacro %}