[Payments] Add PaymentRequest checkout funnel UKMs.

components/payments/content/android/java/src/org/chromium/components/payments/JourneyLogger.java

Index: components/payments/content/android/java/src/org/chromium/components/payments/JourneyLogger.java
diff --git a/components/payments/content/android/java/src/org/chromium/components/payments/JourneyLogger.java b/components/payments/content/android/java/src/org/chromium/components/payments/JourneyLogger.java
deleted file mode 100644
index d8408df288bc29d5ea078a26353049c72660ebc6..0000000000000000000000000000000000000000
--- a/components/payments/content/android/java/src/org/chromium/components/payments/JourneyLogger.java
+++ /dev/null
@@ -1,146 +0,0 @@
-// 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.components.payments;
-
-import org.chromium.base.annotations.JNINamespace;
-
-/**
- * A class used to record journey metrics for the Payment Request feature.
- */
-@JNINamespace("payments")
-public class JourneyLogger {
-    // Note: The constants should always be in sync with those in the
-    // components/payments/core/journey_logger.h file.
-    // The index of the different sections of a Payment Request. Used to record journey stats.
-    public static final int SECTION_CONTACT_INFO = 0;
-    public static final int SECTION_CREDIT_CARDS = 1;
-    public static final int SECTION_SHIPPING_ADDRESS = 2;
-    public static final int SECTION_MAX = 3;
-
-    // For the CanMakePayment histograms.
-    public static final int CAN_MAKE_PAYMENT_USED = 0;
-    public static final int CAN_MAKE_PAYMENT_NOT_USED = 1;
-    public static final int CAN_MAKE_PAYMENT_USE_MAX = 2;
-
-    // Used to log different parameters' effect on whether the transaction was completed.
-    public static final int COMPLETION_STATUS_COMPLETED = 0;
-    public static final int COMPLETION_STATUS_USER_ABORTED = 1;
-    public static final int COMPLETION_STATUS_OTHER_ABORTED = 2;
-    public static final int COMPLETION_STATUS_MAX = 3;
-
-    // Used to mesure the impact of the CanMakePayment return value on whether the Payment Request
-    // is shown to the user.
-    public static final int CMP_SHOW_COULD_NOT_MAKE_PAYMENT_AND_DID_NOT_SHOW = 0;
-    public static final int CMP_SHOW_DID_SHOW = 1 << 0;
-    public static final int CMP_SHOW_COULD_MAKE_PAYMENT = 1 << 1;
-    public static final int CMP_SHOW_MAX = 4;
-
-    // The minimum expected value of CustomCountHistograms is always set to 1. It is still possible
-    // to log the value 0 to that type of histogram.
-    private static final int MIN_EXPECTED_SAMPLE = 1;
-    private static final int MAX_EXPECTED_SAMPLE = 49;
-    private static final int NUMBER_BUCKETS = 50;
-
-    /**
-     * Pointer to the native implementation.
-     */
-    private long mJourneyLoggerAndroid;
-
-    public JourneyLogger(boolean isIncognito) {
-        // Note that this pointer could leak the native object. The called must call destroy() to
-        // ensure that the native object is destroyed.
-        mJourneyLoggerAndroid = nativeInitJourneyLoggerAndroid(isIncognito);
-    }
-
-    /** Will destroy the native object. This class shouldn't be used afterwards. */
-    public void destroy() {
-        if (mJourneyLoggerAndroid != 0) {
-            nativeDestroy(mJourneyLoggerAndroid);
-            mJourneyLoggerAndroid = 0;
-        }
-    }
-
-    /**
-     * Sets the number of suggestions shown for the specified section.
-     *
-     * @param section The section for which to log.
-     * @param number The number of suggestions.
-     */
-    public void setNumberOfSuggestionsShown(int section, int number) {
-        assert section < SECTION_MAX;
-        nativeSetNumberOfSuggestionsShown(mJourneyLoggerAndroid, section, number);
-    }
-
-    /**
-     * Increments the number of selection changes for the specified section.
-     *
-     * @param section The section for which to log.
-     */
-    public void incrementSelectionChanges(int section) {
-        assert section < SECTION_MAX;
-        nativeIncrementSelectionChanges(mJourneyLoggerAndroid, section);
-    }
-
-    /**
-     * Increments the number of selection edits for the specified section.
-     *
-     * @param section The section for which to log.
-     */
-    public void incrementSelectionEdits(int section) {
-        assert section < SECTION_MAX;
-        nativeIncrementSelectionEdits(mJourneyLoggerAndroid, section);
-    }
-
-    /**
-     * Increments the number of selection adds for the specified section.
-     *
-     * @param section The section for which to log.
-     */
-    public void incrementSelectionAdds(int section) {
-        assert section < SECTION_MAX;
-        nativeIncrementSelectionAdds(mJourneyLoggerAndroid, section);
-    }
-
-    /**
-     * Records the fact that the merchant called CanMakePayment and records it's return value.
-     *
-     * @param value The return value of the CanMakePayment call.
-     */
-    public void setCanMakePaymentValue(boolean value) {
-        nativeSetCanMakePaymentValue(mJourneyLoggerAndroid, value);
-    }
-
-    /**
-     * Records the fact that the Payment Request was shown to the user.
-     */
-    public void setShowCalled() {
-        nativeSetShowCalled(mJourneyLoggerAndroid);
-    }
-
-    /*
-     * Records the histograms for all the sections that were requested by the merchant and for the
-     * usage of the CanMakePayment method and its effect on the transaction. This method should be
-     * called when the payment request has either been completed or aborted.
-     *
-     * @param submissionType An int indicating the way the payment request was concluded.
-     */
-    public void recordJourneyStatsHistograms(int completionStatus) {
-        nativeRecordJourneyStatsHistograms(mJourneyLoggerAndroid, completionStatus);
-    }
-
-    private native long nativeInitJourneyLoggerAndroid(boolean isIncognito);
-    private native void nativeDestroy(long nativeJourneyLoggerAndroid);
-    private native void nativeSetNumberOfSuggestionsShown(
-            long nativeJourneyLoggerAndroid, int section, int number);
-    private native void nativeIncrementSelectionChanges(
-            long nativeJourneyLoggerAndroid, int section);
-    private native void nativeIncrementSelectionEdits(long nativeJourneyLoggerAndroid, int section);
-    private native void nativeIncrementSelectionAdds(long nativeJourneyLoggerAndroid, int section);
-    private native void nativeSetCanMakePaymentValue(
-            long nativeJourneyLoggerAndroid, boolean value);
-    private native void nativeSetShowCalled(long nativeJourneyLoggerAndroid);
-    private native void nativeRecordJourneyStatsHistograms(
-            long nativeJourneyLoggerAndroid, int completionStatus);
-}