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

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

Index: third_party/WebKit/Source/modules/payments/PaymentRequest.h
diff --git a/third_party/WebKit/Source/modules/payments/PaymentRequest.h b/third_party/WebKit/Source/modules/payments/PaymentRequest.h
index 555e7b6b3743e877d61efa5a2caa0406e046d3d5..3c8aedd563e45f809f90c407e3d92bb98c6e0258 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentRequest.h
+++ b/third_party/WebKit/Source/modules/payments/PaymentRequest.h
@@ -35,8 +35,7 @@
 
 class MODULES_EXPORT PaymentRequest final
     : public EventTargetWithInlineData,
-      WTF_NON_EXPORTED_BASE(
-          public payments::mojom::blink::PaymentRequestClient),
+      WTF_NON_EXPORTED_BASE(public mojom::blink::PaymentRequestClient),
       public PaymentCompleter,
       public PaymentUpdater,
       public ContextLifecycleObserver,
@@ -103,12 +102,11 @@
   // LifecycleObserver:
   void contextDestroyed() override;
 
-  // payments::mojom::blink::PaymentRequestClient:
-  void OnShippingAddressChange(
-      payments::mojom::blink::PaymentAddressPtr) override;
+  // mojom::blink::PaymentRequestClient:
+  void OnShippingAddressChange(mojom::blink::PaymentAddressPtr) override;
   void OnShippingOptionChange(const String& shippingOptionId) override;
-  void OnPaymentResponse(payments::mojom::blink::PaymentResponsePtr) override;
-  void OnError(payments::mojom::blink::PaymentErrorReason) override;
+  void OnPaymentResponse(mojom::blink::PaymentResponsePtr) override;
+  void OnError(mojom::blink::PaymentErrorReason) override;
   void OnComplete() override;
   void OnAbort(bool abortedSuccessfully) override;
 
@@ -124,8 +122,8 @@
   Member<ScriptPromiseResolver> m_showResolver;
   Member<ScriptPromiseResolver> m_completeResolver;
   Member<ScriptPromiseResolver> m_abortResolver;
-  payments::mojom::blink::PaymentRequestPtr m_paymentProvider;
-  mojo::Binding<payments::mojom::blink::PaymentRequestClient> m_clientBinding;
+  mojom::blink::PaymentRequestPtr m_paymentProvider;
+  mojo::Binding<mojom::blink::PaymentRequestClient> m_clientBinding;
   Timer<PaymentRequest> m_completeTimer;
 };