Parameterize OnError method.

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

Index: third_party/WebKit/Source/modules/payments/PaymentTestHelper.h
diff --git a/third_party/WebKit/Source/modules/payments/PaymentTestHelper.h b/third_party/WebKit/Source/modules/payments/PaymentTestHelper.h
index b19b1a15c140e50944260784814fb8396d4eebdf..f8b9c02618bc99ce3b2fc0e9fbd47c5fad422342 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentTestHelper.h
+++ b/third_party/WebKit/Source/modules/payments/PaymentTestHelper.h
@@ -6,6 +6,7 @@
 #define PaymentTestHelper_h
 
 #include "bindings/core/v8/ScriptFunction.h"
+#include "bindings/core/v8/V8DOMException.h"
 #include "modules/payments/PaymentDetails.h"
 #include "modules/payments/PaymentItem.h"
 #include "modules/payments/PaymentShippingOption.h"
@@ -68,14 +69,22 @@ public:
     ~PaymentRequestMockFunctionScope();
 
     v8::Local<v8::Function> expectCall();
+    v8::Local<v8::Function> expectCall(String*);
     v8::Local<v8::Function> expectNoCall();
 
 private:
     class MockFunction : public ScriptFunction {
     public:
         explicit MockFunction(ScriptState*);
+        explicit MockFunction(ScriptState*, String *captor);

[please use gerrit instead, 2016/07/12 15:57:36]

Remove "explicit" on this line. The keyword "explicit" is necessary only for
single-parameter constructors.

[pals, 2016/07/13 05:54:28]

Done.

         v8::Local<v8::Function> bind();
-        MOCK_METHOD1(call, ScriptValue(ScriptValue));
+        // MOCK_METHOD1(call, ScriptValue(ScriptValue));

[please use gerrit instead, 2016/07/12 15:57:36]

Leave MOCK_METHOD1() unmodified.

[pals, 2016/07/13 05:54:28]

Done.

+        ScriptValue call(ScriptValue value) override

[please use gerrit instead, 2016/07/12 15:57:36]

Remove this method.

[pals, 2016/07/13 05:54:28]

Done.

+        {
+            *m_value = toCoreString(value.v8Value()->ToString(getScriptState()->context()).ToLocalChecked());
+            return value;
+        }
+        String* m_value;
     };
 
     ScriptState* m_scriptState;