[Payments] Animates EditorView in and out

chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
index 3be76de87447105a7fa4aac276b5404e4e0f2786..bf3332b13e346257d10c6eba88ee1e0f311e1e25 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
@@ -679,7 +679,6 @@ public class PaymentRequestUI implements DialogInterface.OnDismissListener, View
      * @param section The shipping options.
      */
     public void updateSection(@DataType int whichSection, SectionInformation section) {
-        mIsEditingPaymentItem = false;
         if (whichSection == TYPE_SHIPPING_ADDRESSES) {
             mShippingAddressSectionInformation = section;
             mShippingAddressSection.update(section);
@@ -693,8 +692,14 @@ public class PaymentRequestUI implements DialogInterface.OnDismissListener, View
             mPaymentMethodSectionInformation = section;
             mPaymentMethodSection.update(section);
         }
+
+        boolean isFinishingEditItem = mIsEditingPaymentItem;
+        mIsEditingPaymentItem = false;
         updateSectionButtons();
         updatePayButtonEnabled();
+
+        // Notify ready for input for test if this is finishing editing item.
+        if (isFinishingEditItem) notifyReadyForInput();
     }
 
     @Override