Bug 1719315 - Add support for the URL metric type (#361)

* Add support for the URL metric type

* Update CHANGELOG.md

Author: Beatriz Rizental

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
 - New lint: Check for redundant words in ping names ([#355](https://github.com/mozilla/glean_parser/pull/355))
+- Add support for URL metric type ([#361](https://github.com/mozilla/glean_parser/pull/361))
 
 ## 3.6.0 (2021-06-11)
 

glean_parser/metrics.py

@@ -338,6 +338,10 @@ class Uuid(Metric):
     typename = "uuid"
 
 
+class Url(Metric):
+    typename = "url"
+
+
 class Jwe(Metric):
     typename = "jwe"
 

glean_parser/schemas/metrics.2-0-0.schema.yaml

@@ -94,6 +94,8 @@ definitions:
 
             - `uuid`: Record a UUID v4.
 
+            - `url`: Record a valid URL string.
+
             - `memory_distribution`: A histogram for recording memory usage
               values. Additional properties: `memory_unit`.
 
@@ -129,6 +131,7 @@ definitions:
           - memory_distribution
           - datetime
           - uuid
+          - url
           - jwe
           - labeled_boolean
           - labeled_string