Parameterize OnError method.

third_party/WebKit/Source/modules/payments/PaymentTestHelper.cpp

Index: third_party/WebKit/Source/modules/payments/PaymentTestHelper.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentTestHelper.cpp b/third_party/WebKit/Source/modules/payments/PaymentTestHelper.cpp
index 1d2293ef7873e3b0d35642af25933e4ff78a6c85..fec7b0d5353bc6a9ad4ede6f650f63a9e8d0cfe6 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentTestHelper.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentTestHelper.cpp
@@ -153,6 +153,12 @@ PaymentRequestMockFunctionScope::~PaymentRequestMockFunctionScope()
     }
 }
 
+v8::Local<v8::Function> PaymentRequestMockFunctionScope::expectCall(String* captor)
+{
+    m_mockFunctions.append(new MockFunction(m_scriptState, captor));
+    return m_mockFunctions.last()->bind();
+}
+
 v8::Local<v8::Function> PaymentRequestMockFunctionScope::expectCall()
 {
     m_mockFunctions.append(new MockFunction(m_scriptState));
@@ -167,12 +173,25 @@ v8::Local<v8::Function> PaymentRequestMockFunctionScope::expectNoCall()
     return m_mockFunctions.last()->bind();
 }
 
+ACTION_P(SaveValueIn, captor)
+{
+    *captor = toCoreString(arg0.v8Value()->ToString(arg0.getScriptState()->context()).ToLocalChecked());
+}
+
 PaymentRequestMockFunctionScope::MockFunction::MockFunction(ScriptState* scriptState)
     : ScriptFunction(scriptState)
 {
     ON_CALL(*this, call(testing::_)).WillByDefault(testing::ReturnArg<0>());
 }
 
+PaymentRequestMockFunctionScope::MockFunction::MockFunction(ScriptState* scriptState, String* captor)
+    : ScriptFunction(scriptState)
+    , m_value(captor)
+{
+    ON_CALL(*this, call(testing::_)).WillByDefault(
+        testing::DoAll(SaveValueIn(m_value), testing::ReturnArg<0>()));
+}
+
 v8::Local<v8::Function> PaymentRequestMockFunctionScope::MockFunction::bind()
 {
     return bindToV8Function();