Allow editing passwords in settings/passwords

chrome/browser/ui/passwords/password_manager_presenter.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/passwords/password_manager_presenter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/prefs/pref_service.h"
@@ skipping 65 matching lines @@
   last_authentication_time_ = base::TimeTicks();
 
   // Reset the current lists.
   password_list_.clear();
   password_exception_list_.clear();
 
   populater_.Populate();
   exception_populater_.Populate();
 }
 
+void PasswordManagerPresenter::UpdatePassword(
+    size_t index,
+    const base::string16& password_value) {
+#if !defined(OS_ANDROID)  // This is never called on Android.
+  if (index >= password_list_.size() || password_value.empty()) {
+    // |index| out of bounds might come from a compromised renderer, don't let
+    // it crash the browser. http://crbug.com/362054
+    // Similarly, empty |password_value| also might come from a compromised
+    // renderer, which is forbidden to be saved to the password store.  So use
+    // the same logic.
+    NOTREACHED();
+    return;
+  }
+  PasswordStore* store = GetPasswordStore();
+  if (!store)
+    return;
+  autofill::PasswordForm form(*password_list_[index]);
+  form.password_value = password_value;
+  store->UpdateLogin(form);
+#endif
+}
+
 void PasswordManagerPresenter::RemoveSavedPassword(size_t index) {
   if (index >= password_list_.size()) {
     // |index| out of bounds might come from a compromised renderer, don't let
     // it crash the browser. http://crbug.com/362054
     NOTREACHED();
     return;
   }
   PasswordStore* store = GetPasswordStore();
   if (!store)
     return;
@@ skipping 136 matching lines @@
 }
 
 void PasswordManagerPresenter::PasswordExceptionListPopulater::
     OnGetPasswordStoreResults(
         const std::vector<autofill::PasswordForm*>& results) {
   page_->password_exception_list_.clear();
   page_->password_exception_list_.insert(page_->password_exception_list_.end(),
                                          results.begin(), results.end());
   page_->SetPasswordExceptionList();
 }