[Payments] Add CanMakePayment metrics.

chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java

 // 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.
 
 package org.chromium.chrome.browser.payments;
 
 import android.app.Activity;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Handler;
@@ skipping 461 matching lines @@
         setIsShowing(true);
         if (disconnectIfNoPaymentMethodsSupported()) return;
 
         // Catch any time the user switches tabs. Because the dialog is modal, a user shouldn't be
         // allowed to switch tabs, which can happen if the user receives an external Intent.
         mContext.getTabModelSelector().addObserver(mSelectorObserver);
         mContext.getCurrentTabModel().addObserver(mTabModelObserver);
 
         mUI.show();
         recordSuccessFunnelHistograms("Shown");
+        mJourneyLogger.setShowCalled();
     }
 
     private static Map<String, PaymentMethodData> getValidatedMethodData(
             PaymentMethodData[] methodData, CardEditor paymentMethodsCollector) {
         // Payment methodData are required.
         if (methodData == null || methodData.length == 0) return null;
         Map<String, PaymentMethodData> result = new ArrayMap<>();
         for (int i = 0; i < methodData.length; i++) {
             String[] methods = methodData[i].supportedMethods;
 
@@ skipping 649 matching lines @@
             }
             return;
         }
 
         if (query.getPreviousResponse() != null) {
             respondCanMakePaymentQuery(query.getPreviousResponse().booleanValue());
             return;
         }
 
         query.addObserver(this);
-        if (isFinishedQueryingPaymentApps()) query.setResponse(mCanMakePayment);
+        if (isFinishedQueryingPaymentApps()) {
+            query.setResponse(mCanMakePayment);
+            mJourneyLogger.setCanMakePaymentValue(mCanMakePayment);
+        }
     }
 
     private void respondCanMakePaymentQuery(boolean response) {
         mClient.onCanMakePayment(response ? CanMakePaymentQueryResult.CAN_MAKE_PAYMENT
                 : CanMakePaymentQueryResult.CANNOT_MAKE_PAYMENT);
+        mJourneyLogger.setCanMakePaymentValue(mCanMakePayment);
         if (sObserverForTest != null) {
             sObserverForTest.onPaymentRequestServiceCanMakePaymentQueryResponded();
         }
     }
 
     /**
      * Called when the renderer closes the Mojo connection.
      */
     @Override
     public void close() {
@@ skipping 300 matching lines @@
                 "PaymentRequest.CheckoutFunnel.Aborted", abortReason,
                 PaymentRequestMetrics.ABORT_REASON_MAX);
 
         if (abortReason == PaymentRequestMetrics.ABORT_REASON_ABORTED_BY_USER) {
             mJourneyLogger.recordJourneyStatsHistograms("UserAborted");
         } else {
             mJourneyLogger.recordJourneyStatsHistograms("OtherAborted");
         }
     }
 }