Bug 1603539 - Part 1: Add Firefox Reality PC installation telemetry. …

…r=chutten

Differential Revision: https://phabricator.services.mozilla.com/D57377

--HG--
extra : moz-landing-system : lando

toolkit/components/telemetry/Histograms.json

@@ -14371,6 +14371,28 @@
     "description": "Measure the time how long the cursor is hovering before opening the unselcted tab. Only record the data if someone requests for sending unselected tab hover msg.",
     "releaseChannelCollection": "opt-out"
   },
+  "FXRPC_FF_INSTALLATION_FROM": {
+    "record_in_processes": ["main", "gpu"],
+    "products": ["firefox"],
+    "alert_emails": ["fxr-telemetry@mozilla.com", "dmu@mozilla.com"],
+    "bug_numbers": [1603539],
+    "expires_in_version": "79",
+    "kind": "categorical",
+    "releaseChannelCollection": "opt-out",
+    "labels": ["User", "FxR", "HTC", "Valve"],
+    "description": "Determine if FireFox is installed at user's PC already, or they are new installation from Firefox Reality PC distribution channels."
+  },
+  "FXRPC_ENTRY_METHOD": {
+    "record_in_processes": ["main", "gpu"],
+    "products": ["firefox"],
+    "alert_emails": ["fxr-telemetry@mozilla.com", "dmu@mozilla.com"],
+    "bug_numbers": [1603539],
+    "expires_in_version": "79",
+    "kind": "categorical",
+    "releaseChannelCollection": "opt-out",
+    "labels": ["SysBtn", "Library", "Gaze"],
+    "description": "The approach of users enter Firefox Reality PC."
+  },
   "WEBVR_USERS_VIEW_IN": {
     "record_in_processes": ["main", "gpu", "content"],
     "products": ["firefox", "fennec", "geckoview"],

toolkit/components/telemetry/Scalars.yaml

@@ -4986,6 +4986,24 @@ deletion.request:
     record_into_store:
       - 'deletion-request'
 
+fxrPC:
+  isFirstRun:
+    bug_numbers:
+      - 1603539
+    description: >
+      Determine if this user is first time to run Firefox Reality PC.
+    expires: "79"
+    kind: boolean
+    notification_emails:
+      - fxr-telemetry@mozilla.com
+      - dmu@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - 'firefox'
+    record_in_processes:
+      - 'main'
+      - 'gpu'
+
 # The following section is for probes testing the Telemetry system. They will not be
 # submitted in pings and are only used for testing.
 telemetry.test: