Add new page action migrations to about://flags

Adds the "click_to_call" and "collaboration_messaging" page action
feature params to about_flags.cc

Change-Id: I8d4186c63418fe1f9d5de117e6a3504aecb05156
Bug: 417177719
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6906941
Reviewed-by: Daniel Soromou <koretadaniel@chromium.org>
Commit-Queue: Kaan Alsan <alsan@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1510158}

chrome/browser/about_flags.cc

diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 0574e96..ce53100 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1204,6 +1204,8 @@
 
 const FeatureEntry::FeatureParam kPageActionsMigrationParams[] = {
     {"autofill_address", "true"},
+    {"click_to_call", "true"},
+    {"collaboration_messaging", "true"},
     {"discounts", "true"},
     {"file_system_access", "true"},
     {"find", "true"},