[Autofill Assistant] Changed autofill assistant payment request section order...

[Autofill Assistant] Changed autofill assistant payment request section order to: contact details -> shipping -> payment.

Also removed the first section separator according to our mocks. The chrome feature WEB_PAYMENTS_METHOD_SECTION_ORDER_V2 is now disabled for autofill assistant payment PR.

Bug: 806868
Change-Id: I52ed027192b145e50fb22c65fd50cfb5272d0fd2
Reviewed-on: https://chromium-review.googlesource.com/c/1333776
Commit-Queue: Clemens Arbesser <arbesser@google.com>
Reviewed-by: Mathias Carlen <mcarlen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607946}

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

@@ -35,7 +35,6 @@ import android.widget.TextView;
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Callback;
 import org.chromium.chrome.autofill_assistant.R;
-import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.ChromeVersionInfo;
 import org.chromium.chrome.browser.autofill_assistant.AutofillAssistantPaymentRequest;
 import org.chromium.chrome.browser.payments.ShippingStrings;
@@ -349,41 +348,31 @@ public class PaymentRequestUI implements DialogInterface.OnDismissListener, View
         mShippingOptionSection.setCanAddItems(false);
         mPaymentMethodSection.setCanAddItems(canAddCards);
 
-        // Put payment method section on top of address section for
-        // WEB_PAYMENTS_METHOD_SECTION_ORDER_V2.
-        boolean methodSectionOrderV2 =
-                ChromeFeatureList.isEnabled(ChromeFeatureList.WEB_PAYMENTS_METHOD_SECTION_ORDER_V2);
-
         // Add the necessary sections to the layout.
         mPaymentContainerLayout.addView(mOrderSummarySection,
                 new LinearLayout.LayoutParams(
                         LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
-        if (methodSectionOrderV2) {
-            mSectionSeparators.add(new SectionSeparator(mPaymentContainerLayout));
-            mPaymentContainerLayout.addView(mPaymentMethodSection,
+
+        if (mRequestContactDetails) {
+            mPaymentContainerLayout.addView(mContactDetailsSection,
                     new LinearLayout.LayoutParams(
                             LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
         }
+
         if (mRequestShipping) {
+            if (mRequestContactDetails)
                 mSectionSeparators.add(new SectionSeparator(mPaymentContainerLayout));
             // The shipping breakout sections are only added if they are needed.
             mPaymentContainerLayout.addView(mShippingAddressSection,
                     new LinearLayout.LayoutParams(
                             LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
         }
-        if (!methodSectionOrderV2) {
+
+        if (mRequestContactDetails || mRequestShipping)
             mSectionSeparators.add(new SectionSeparator(mPaymentContainerLayout));
         mPaymentContainerLayout.addView(mPaymentMethodSection,
                 new LinearLayout.LayoutParams(
                         LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
-        }
-        if (mRequestContactDetails) {
-            // Contact details are optional, depending on the merchant website.
-            mSectionSeparators.add(new SectionSeparator(mPaymentContainerLayout));
-            mPaymentContainerLayout.addView(mContactDetailsSection,
-                    new LinearLayout.LayoutParams(
-                            LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
-        }
 
         mRequestView.addOnLayoutChangeListener(new PeekingAnimator());