Revert of [Web Payments] Mojom namespace blink -> payments

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PaymentTestHelper_h
 #define PaymentTestHelper_h
 
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/V8DOMException.h"
 #include "components/payments/payment_request.mojom-blink.h"
@@ skipping 59 matching lines @@
     PaymentTestDetailToChange = PaymentTestDetailNone,
     PaymentTestDataToChange = PaymentTestDataNone,
     PaymentTestModificationType = PaymentTestOverwriteValue,
     const String& valueToUse = String());
 
 PaymentDetails buildPaymentDetailsErrorMsgForTest(
     const String& valueToUse = String());
 
 HeapVector<PaymentMethodData> buildPaymentMethodDataForTest();
 
-payments::mojom::blink::PaymentResponsePtr buildPaymentResponseForTest();
+mojom::blink::PaymentResponsePtr buildPaymentResponseForTest();
 
 void makePaymentRequestOriginSecure(Document&);
 
 class PaymentRequestMockFunctionScope {
   STACK_ALLOCATED();
 
  public:
   explicit PaymentRequestMockFunctionScope(ScriptState*);
   ~PaymentRequestMockFunctionScope();
 
@@ skipping 11 matching lines @@
     String* m_value;
   };
 
   ScriptState* m_scriptState;
   Vector<Persistent<MockFunction>> m_mockFunctions;
 };
 
 }  // namespace blink
 
 #endif  // PaymentTestHelper_h