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 463213ef34f0decc26048b637ae4ddc124f6cf13..2fb0811b8efdca947e6a1f43cbd0b6717fc917e6 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -41415,6 +41415,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="PageLoad.Clients.DocWrite.Block.SameSiteDiffSchemeCount">
+  <owner>shivanisha@chromium.org</owner>
+  <owner>bmcquade@chromium.org</owner>
+  <owner>jkarlin@chromium.org</owner>
+  <summary>
+    This metric measures the number of pages that have same-site but different

[jkarlin, 2016/11/29 16:19:12]

Add commas or parens around "but different scheme"

[shivanisha, 2016/12/06 18:18:08]

Done

+    scheme document.written scripts.
+  </summary>
+</histogram>
+
 <histogram name="PageLoad.Clients.GoogleCaptcha.Events"
     enum="GoogleCaptchaEvent">
   <owner>mdw@chromium.org</owner>