Makes 'Disconnect Account' overlay in chrome://settings accessible thru a URL

BUG=615893
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2136103008
Cr-Commit-Position: refs/heads/master@{#405570}

chrome/app/generated_resources.grd

@@ -11635,7 +11635,7 @@ Some features may be unavailable.  Please check that the profile exists and you
           Disconnect your Google Account...
         </message>
         <message name="IDS_SYNC_STOP_SYNCING_CONFIRM_BUTTON_LABEL" desc="The text to display on the button to confirm the user wishes to stop syncing.">
-          Disconnect account
+          Sign Out
         </message>
         <message name="IDS_SYNC_STOP_SYNCING_DIALOG_TITLE" desc="The title of the dialog that explains what 'stop syncing' means.">
           Disconnect your Google Account
@@ -12914,6 +12914,9 @@ Some features may be unavailable.  Please check that the profile exists and you
       <!-- Android does not support multiple profiles and supervised users -->
       <if expr="not is_android">
         <!-- Manage Profile Dialog -->
+        <message name="IDS_DISCONNECT_ACCOUNT_TITLE" desc="Title of the disconnect account dialog">
+          Disconnect Account
+        </message>
         <message name="IDS_PROFILES_MANAGE_TITLE" desc="Title of the manage profile dialog">
           Edit
         </message>

chrome/browser/resources/options/manage_profile_overlay.js

@@ -17,7 +17,7 @@ cr.define('options', function() {
     Page.call(this, 'manageProfile',
               loadTimeData.getString('manageProfileTabTitle'),
               'manage-profile-overlay');
-  };
+  }
 
   cr.addSingletonGetter(ManageProfileOverlay);
 
@@ -595,9 +595,7 @@ cr.define('options', function() {
           loadTimeData.getString('disconnectManagedProfileText');
       $('manage-profile-overlay-disconnect-managed').hidden = false;
 
-      // Because this dialog isn't useful when refreshing or as part of the
-      // history, don't create a history entry for it when showing.
-      PageManager.showPageByName('manageProfile', false);
+      PageManager.showPageByName('signOut');
     },
 
     /**
@@ -623,16 +621,46 @@ cr.define('options', function() {
     'showCreateDialog',
   ]);
 
+  /**
+   * @constructor
+   * @extends {options.ManageProfileOverlay}
+   */
+  function DisconnectAccountOverlay() {
+    Page.call(this, 'signOut',
+              loadTimeData.getString('disconnectAccountTabTitle'),
+              'manage-profile-overlay');
+  }
+
+  cr.addSingletonGetter(DisconnectAccountOverlay);
+
+  DisconnectAccountOverlay.prototype = {
+    __proto__: ManageProfileOverlay.prototype,
+
+    /** @override */
+    canShowPage: function() {
+      var syncData = loadTimeData.getValue('syncData');
+      return syncData.signedIn && !syncData.signoutAllowed;
+    },
+
+    /** @override */
+    didShowPage: function() {
+      chrome.send('showDisconnectManagedProfileDialog');
+    }
+  };
+
+  /**
+   * @constructor
+   * @extends {options.ManageProfileOverlay}
+   */
   function CreateProfileOverlay() {
     Page.call(this, 'createProfile',
               loadTimeData.getString('createProfileTabTitle'),
               'manage-profile-overlay');
-  };
+  }
 
   cr.addSingletonGetter(CreateProfileOverlay);
 
   CreateProfileOverlay.prototype = {
-    // Inherit from ManageProfileOverlay.
     __proto__: ManageProfileOverlay.prototype,
 
     // The signed-in email address of the current profile, or empty if they're
@@ -883,6 +911,7 @@ cr.define('options', function() {
   // Export
   return {
     ManageProfileOverlay: ManageProfileOverlay,
+    DisconnectAccountOverlay: DisconnectAccountOverlay,
     CreateProfileOverlay: CreateProfileOverlay,
   };
 });

chrome/browser/resources/options/options.js

@@ -30,6 +30,7 @@ var HotwordConfirmDialog = options.HotwordConfirmDialog;
 var ImportDataOverlay = options.ImportDataOverlay;
 var LanguageOptions = options.LanguageOptions;
 var ManageProfileOverlay = options.ManageProfileOverlay;
+var DisconnectAccountOverlay = options.DisconnectAccountOverlay;
 var OptionsFocusManager = options.OptionsFocusManager;
 var OptionsPage = options.OptionsPage;
 var PageManager = cr.ui.pageManager.PageManager;
@@ -123,6 +124,8 @@ function load() {
                                $('show-cookies-button')]);
   PageManager.registerOverlay(CreateProfileOverlay.getInstance(),
                               BrowserOptions.getInstance());
+  PageManager.registerOverlay(DisconnectAccountOverlay.getInstance(),
+                              BrowserOptions.getInstance());
   PageManager.registerOverlay(EasyUnlockTurnOffOverlay.getInstance(),
                               BrowserOptions.getInstance(),
                               [$('easy-unlock-turn-off-button')]);

chrome/browser/ui/webui/options/manage_profile_handler.cc

@@ -123,6 +123,8 @@ void ManageProfileHandler::GetLocalizedValues(
   RegisterStrings(localized_strings, resources, arraysize(resources));
   RegisterTitle(localized_strings, "manageProfile", IDS_PROFILES_MANAGE_TITLE);
   RegisterTitle(localized_strings, "createProfile", IDS_PROFILES_CREATE_TITLE);
+  RegisterTitle(localized_strings, "disconnectAccount",
+      IDS_DISCONNECT_ACCOUNT_TITLE);
 
   base::string16 supervised_user_dashboard_url =
       base::ASCIIToUTF16(chrome::kLegacySupervisedUserManagementURL);