Bug 1851036 - Add events for displaying the shopping component's address bar icon r=Gijs,TravisLong

Differential Revision: https://phabricator.services.mozilla.com/D187230

browser/base/content/browser.js

@@ -10118,6 +10118,13 @@ var ShoppingSidebarManager = {
     let isCurrentBrowserProduct = isProductURL(
       gBrowser.selectedBrowser.currentURI
     );
+
+    // Only record if the state of the icon will change from hidden to visible.
+    if (button.hidden && isCurrentBrowserProduct) {
+      console.log("visibility of shopping address bar icon changed");
+      Glean.shopping.addressBarIconDisplayed.record();
+    }
+
     button.hidden = !isCurrentBrowserProduct;
     button.setAttribute("shoppingsidebaropen", !!this.isActive);
     let l10nId = this.isActive

browser/components/shopping/metrics.yaml

@@ -371,3 +371,20 @@ shopping:
       - fx-desktop-shopping-eng@mozilla.com
     send_in_pings:
       - events
+
+  address_bar_icon_displayed:
+    type: event
+    description: |
+      The Shopping product Address Bar Icon was displayed to the user.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1851036
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1841892
+    data_sensitivity:
+      - interaction
+    expires: 122
+    notification_emails:
+      - betling@mozilla.com
+      - fx-desktop-shopping-eng@mozilla.com
+    send_in_pings:
+      - events