doc.write intervention warning message changed to replace cross-origin with cross site (etdl+1)

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index eef0a376034b7a9d51553b265a49c94b159950ff..6760a761bede2641269fe98e76a504e878a0ae35 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -43327,6 +43327,17 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="PageLoad.Clients.DocWrite.Block.DocumentWriteLoadingBehavior"
+    enum="DocumentWriteLoadingBehavior">
+  <owner>shivanisha@chromium.org</owner>
+  <owner>bmcquade@chromium.org</owner>
+  <owner>jkarlin@chromium.org</owner>
+  <summary>
+    This metric measures the counts of pages for various loading behaviors of
+    document.written scripts.
+  </summary>
+</histogram>
+
 <histogram name="PageLoad.Clients.DocWrite.Block.ReloadCount">
   <owner>shivanisha@chromium.org</owner>
   <owner>bmcquade@chromium.org</owner>
@@ -83927,6 +83938,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="4" label="Script uses non-determinism"/>
 </enum>
 
+<enum name="DocumentWriteLoadingBehavior" type="int">
+  <int value="0" label="A script on the page is blockable"/>
+  <int value="1" label="Reload scenario, so not blockable"/>
+  <int value="2" label="Same Site Different Scheme Script"/>
+</enum>
+
 <enum name="DomainBoundCerts.GetCertResult" type="int">
   <int value="0" label="SYNC_SUCCESS"/>
   <int value="1" label="ASYNC_SUCCESS"/>