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 988288f32403c86ebbf11433ec2528742e935f9a..978b8fccb9d7355cf8ba30360819a0e40051e656 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -80059,7 +80059,7 @@ 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>
 
@@ -97400,7 +97400,7 @@ 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"/>