From 293f9e2fb3a7e2955f6ca0f554e3112e3d0c749d Mon Sep 17 00:00:00 2001
From: Elmehdi Rahmaoui <erahmaoui@google.com>
Date: Thu, 21 May 2026 02:05:13 -0700
Subject: [PATCH] [iOS] Introduce FAILED_CANONICAL_URL_NOT_HTTP_NOR_HTTPS share metric

The aim of this CL is to update the CanonicalURLResult enum and
corresponding unit tests to introduce a dedicated failure metric for
non-HTTP/HTTPS canonical URLs.

Bug: 514070067
Change-Id: I2a8a848648149c8d85f211d920c87d73c20c2458
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7859830
Reviewed-by: Mark Cogan <marq@chromium.org>
Reviewed-by: Michael Thiessen <mthiesse@chromium.org>
Commit-Queue: Elmehdi Rahmaoui <erahmaoui@google.com>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1634123}
---

diff --git a/components/ui_metrics/canonical_url_share_metrics_types.h b/components/ui_metrics/canonical_url_share_metrics_types.h
index 0310e06..6fd8b31 100644
--- a/components/ui_metrics/canonical_url_share_metrics_types.h
+++ b/components/ui_metrics/canonical_url_share_metrics_types.h
@@ -37,6 +37,10 @@
   // (but the visible URL is).
   SUCCESS_CANONICAL_URL_NOT_HTTPS,
 
+  // The canonical URL retrieval failed because the retrieved canonical URL is
+  // not HTTP nor HTTPS.
+  FAILED_CANONICAL_URL_NOT_HTTP_NOR_HTTPS,
+
   // The count of canonical URL results. This must be the last item in the enum.
   CANONICAL_URL_RESULT_COUNT
 };
diff --git a/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever.mm b/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever.mm
index 59627810..aab817c8 100644
--- a/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever.mm
+++ b/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever.mm
@@ -46,9 +46,13 @@
   } else if (!canonical_url.is_valid()) {
     // Log result if an invalid canonical URL is found.
     LogCanonicalUrlResultHistogram(ui_metrics::FAILED_CANONICAL_URL_INVALID);
+  } else if (!canonical_url.SchemeIsHTTPOrHTTPS()) {
+    // Log result if a canonical URL is not HTTP nor HTTPS.
+    LogCanonicalUrlResultHistogram(
+        ui_metrics::FAILED_CANONICAL_URL_NOT_HTTP_NOR_HTTPS);
   } else {
-    // If the canonical URL is valid, then the retrieval was successful,
-    // and the success can be logged.
+    // If the canonical URL is valid, and HTTP or HTTPS then the retrieval was
+    // successful, and the success can be logged.
     LogCanonicalUrlResultHistogram(
         !canonical_url.SchemeIsCryptographic()
             ? ui_metrics::SUCCESS_CANONICAL_URL_NOT_HTTPS
@@ -57,8 +61,6 @@
             : ui_metrics::SUCCESS_CANONICAL_URL_DIFFERENT_FROM_VISIBLE);
   }
 
-  // TODO(crbug.com/514070067): Update the metric, to consider an non HTTP/HTTPS
-  // canonical_url as failure.
   return canonical_url.is_valid() && canonical_url.SchemeIsHTTPOrHTTPS()
              ? canonical_url
              : GURL();
diff --git a/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm b/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm
index 88a0d9b8..77893e61 100644
--- a/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm
+++ b/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm
@@ -188,5 +188,5 @@
   EXPECT_TRUE(url.is_empty());
   histogram_tester_.ExpectUniqueSample(
       ui_metrics::kCanonicalURLResultHistogram,
-      ui_metrics::SUCCESS_CANONICAL_URL_NOT_HTTPS, 1);
+      ui_metrics::FAILED_CANONICAL_URL_NOT_HTTP_NOR_HTTPS, 1);
 }
diff --git a/tools/metrics/histograms/metadata/mobile/enums.xml b/tools/metrics/histograms/metadata/mobile/enums.xml
index 9162281..66ad86c 100644
--- a/tools/metrics/histograms/metadata/mobile/enums.xml
+++ b/tools/metrics/histograms/metadata/mobile/enums.xml
@@ -46,6 +46,9 @@
   <int value="6"
       label="Canonical URL retrieved: Canonical URL not HTTPS (but visible
              URL is)"/>
+  <int value="7"
+      label="Canonical URL not retrieved: Canonical URL not HTTP nor HTTPS
+             (but visible URL is)"/>
 </enum>
 
 <enum name="ContextMenuIOSCopyImage">

diff --git a/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm b/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm
index 88a0d9b8..77893e61 100644
--- a/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm
+++ b/ios/chrome/browser/sharing/ui_bundled/activity_services/canonical_url_retriever_unittest.mm
@@ -188,5 +188,5 @@
   EXPECT_TRUE(url.is_empty());
   histogram_tester_.ExpectUniqueSample(
       ui_metrics::kCanonicalURLResultHistogram,
-      ui_metrics::SUCCESS_CANONICAL_URL_NOT_HTTPS, 1);
+      ui_metrics::FAILED_CANONICAL_URL_NOT_HTTP_NOR_HTTPS, 1);
 }