md-settings: add reset request origin to reset feedback proto.

chrome/browser/resources/settings/reset_page/reset_profile_dialog.js

Index: chrome/browser/resources/settings/reset_page/reset_profile_dialog.js
diff --git a/chrome/browser/resources/settings/reset_page/reset_profile_dialog.js b/chrome/browser/resources/settings/reset_page/reset_profile_dialog.js
index 4161d2905487f18fe24806bc8dc29a1f7847c282..12ced6d8fa0ee09f19a56d99ab0c8cc8785acf73 100644
--- a/chrome/browser/resources/settings/reset_page/reset_profile_dialog.js
+++ b/chrome/browser/resources/settings/reset_page/reset_profile_dialog.js
@@ -32,6 +32,12 @@ Polymer({
     },
 
     /** @private */
+    resetRequestOrigin_: {

[hcarmona, 2016/10/13 20:30:19]

Please change to:

resetRequestOrigin: String,

Having a default when it's not used can slow down the page if many are added.
This is because data binding will happen twice (on set default and on set with
actual value)

[alito, 2016/10/13 21:27:28]

Done.

+      type: String,
+      value: '',
+    },
+
+    /** @private */
     clearingInProgress_: {
       type: Boolean,
       value: false,
@@ -86,10 +92,14 @@ Polymer({
         settings.getCurrentRoute() == settings.Route.TRIGGERED_RESET_DIALOG;
     if (this.isTriggered_) {
       this.browserProxy_.getTriggeredResetToolName().then(function(name) {
+        this.resetRequestOrigin_ = 'triggeredreset';
         this.triggeredResetToolName_ = name;
         this.showDialog_();
       }.bind(this));
     } else {
+      var origin = window.location.hash.slice(1).toLowerCase() == 'cct' ?

[hcarmona, 2016/10/13 20:30:19]

Please add a comment explaining why 'cct' is important.

[alito, 2016/10/13 21:27:28]

Done.

+          'cct' : settings.getQueryParameters().get('origin');
+      this.resetRequestOrigin_ = origin || '';
       this.showDialog_();
     }
   },
@@ -103,7 +113,7 @@ Polymer({
   onResetTap_: function() {
     this.clearingInProgress_ = true;
     this.browserProxy_.performResetProfileSettings(
-        this.$.sendSettings.checked).then(function() {
+        this.$.sendSettings.checked, this.resetRequestOrigin_).then(function() {
       this.clearingInProgress_ = false;
       if (this.$.dialog.open)
         this.$.dialog.close();