Add ve-log for generating annotation label

Seems this was never done when we shipped the feature and was missed.

Bug: none
Change-Id: Ic9dde6457add2a5eafe5ad30669c600b41a5d878
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7130779
Commit-Queue: Mathias Bynens <[email protected]>
Reviewed-by: Mathias Bynens <[email protected]>
Auto-Submit: Jack Franklin <[email protected]>

Author: jackfranklin

front_end/panels/timeline/overlays/components/EntryLabelOverlay.ts

@@ -677,6 +677,9 @@ export class EntryLabelOverlay extends HTMLElement {
         <button
           class="ai-label-button enabled"
           @click=${this.#handleAiButtonClick}>
+          jslog=${VisualLogging.link('timeline.annotations.ai-generate-label').track({
+            click: true,
+          })}
           <devtools-icon
             class="pen-icon extra-large"
             name="pen-spark"

front_end/ui/visual_logging/KnownContextValues.ts

@@ -3831,6 +3831,7 @@ export const knownContextValues = new Set([
   'timeline.annotation-sidebar.delete',
   'timeline.annotations-tab',
   'timeline.annotations.',
+  'timeline.annotations.ai-generate-label',
   'timeline.annotations.create-entries-link',
   'timeline.annotations.create-entry-label',
   'timeline.annotations.create-entry-link',