Rename WebsiteSettings code to PageInfo.

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 e0047bb6746b465a7317095829368ca3f4387d66..24db5a998f01324c18882a42e0c5db6caa23b156 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -79950,7 +79950,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <owner>sashab@chromium.org</owner>
   <summary>
     Count of how often a specific content type (permission) is changed using the
-    Website Settings UI.
+    Page Info UI.
   </summary>
 </histogram>
 
@@ -97223,7 +97223,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="45" label="GOOGLE_API_KEYS_INFOBAR_DELEGATE"/>
   <int value="46" label="OBSOLETE_SYSTEM_INFOBAR_DELEGATE"/>
   <int value="47" label="SESSION_CRASHED_INFOBAR_DELEGATE"/>
-  <int value="48" label="WEBSITE_SETTINGS_INFOBAR_DELEGATE"/>
+  <int value="48" label="PAGE_INFO_INFOBAR_DELEGATE"/>
   <int value="49" label="AUTOFILL_CC_INFOBAR_DELEGATE"/>
   <int value="50" label="TRANSLATE_INFOBAR_DELEGATE"/>
   <int value="51" label="IOS_CHROME_SAVE_PASSWORD_INFOBAR_DELEGATE"/>