[MD Settings] Implement search in material design passwords.

chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js

Index: chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
diff --git a/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js b/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
index cecb4a55d5a33c2cd7d0857af52609fc3c155ab2..42344e69b78952d335ef3a24fd5489a97ae1f5c3 100644
--- a/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
+++ b/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
@@ -53,6 +53,12 @@ Polymer({
      * @private {?chrome.passwordsPrivate.PasswordUiEntry}
      */
     activePassword: Object,
+
+    /** Filter on the saved passwords and exceptions. */
+    filter: {
+      type: String,
+      value: '',
+    },
   },
 
   listeners: {
@@ -91,6 +97,37 @@ Polymer({
   },
 
   /**
+   * @param {!Array<!chrome.passwordsPrivate.PasswordUiEntry>} savedPasswords
+   * @param {string} filter
+   * @return {!Array<!chrome.passwordsPrivate.PasswordUiEntry>}
+   * @private
+   */
+  getFilteredPasswords_: function(savedPasswords, filter) {
+    if (!filter)
+      return savedPasswords;
+
+    return savedPasswords.filter(function(password) {
+      return password.loginPair.originUrl.includes(filter) ||
+             password.loginPair.username.includes(filter);
+    });
+  },
+
+  /**
+   * @param {!Array<!chrome.passwordsPrivate.ExceptionPair>} passwordExceptions
+   * @param {string} filter
+   * @return {!Array<!chrome.passwordsPrivate.ExceptionPair>}
+   * @private
+   */
+  getFilteredExceptions_: function(passwordExceptions, filter) {
+    if (!filter)
+      return passwordExceptions;
+
+    return passwordExceptions.filter(function(exception) {
+      return exception.exceptionUrl.includes(filter);
+    });
+  },
+
+  /**
    * Fires an event that should delete the saved password.
    * @private
    */