Add origin of settings reset request to feedback reports.

chrome/browser/resources/options/reset_profile_settings_overlay.js

Index: chrome/browser/resources/options/reset_profile_settings_overlay.js
diff --git a/chrome/browser/resources/options/reset_profile_settings_overlay.js b/chrome/browser/resources/options/reset_profile_settings_overlay.js
index 7da9e29642459e099cd8debd5830e9bf03aed3f9..2da560f2899ba0d0bd3a4a931024f1cf0e4c9661 100644
--- a/chrome/browser/resources/options/reset_profile_settings_overlay.js
+++ b/chrome/browser/resources/options/reset_profile_settings_overlay.js
@@ -4,6 +4,7 @@
 
 cr.define('options', function() {
   var Page = cr.ui.pageManager.Page;
+  var resetRequestOrigin = '';
 
   var AutomaticSettingsResetBanner = options.AutomaticSettingsResetBanner;
 
@@ -35,7 +36,7 @@ cr.define('options', function() {
       $('reset-profile-settings-commit').onclick = function(e) {
         ResetProfileSettingsOverlay.setResettingState(true);
         chrome.send('performResetProfileSettings',
-                    [$('send-settings').checked]);
+                    [$('send-settings').checked, resetRequestOrigin]);
       };
       $('expand-feedback').onclick = function(e) {
         var feedbackTemplate = $('feedback-template');
@@ -51,6 +52,22 @@ cr.define('options', function() {
      * chrome/browser/resources/options/automatic_settings_reset_banner.js.
      */
     didShowPage: function() {
+      if (this.hash === '#userClick') {
+        // A '#userClick' hash indicates that the reset request came from the
+        // user clicking on the reset settings button. This hash is set by the
+        // browser_options page.
+        this.setResetRequestOrigin('userClick');
+        this.setHash('');
+      } else if (this.hash == '#CCT') {
+        // A '#CCT' hash indicates that the reset request came from the CCT by
+        // launching Chrome with startup URL

[robertshield, 2016/08/10 20:35:41]

nit: with *the* startup URL

[alito, 2016/08/10 21:06:33]

Done.

+        // chrome://settings/resetProfileSettings#CCT.
+        this.setResetRequestOrigin('CCT');
+        this.setHash('');
+      } else {
+        this.setResetRequestOrigin('');
+      }
+
       $('reset-profile-settings-title').textContent =
           loadTimeData.getString('resetProfileSettingsOverlay');
       $('reset-profile-settings-explanation').textContent =
@@ -63,6 +80,15 @@ cr.define('options', function() {
     didClosePage: function() {
       chrome.send('onHideResetProfileDialog');
     },
+
+    /**
+     * Sets the reset request origin string. To be used also by subclasses, such
+     * as TriggeredResetProfileSettingsOverlay.
+     * @param {string} origin Origin of the reset request.
+     */
+    setResetRequestOrigin: function(origin) {
+      resetRequestOrigin = origin;
+    }
   };
 
   /**