Remove "Move window to..." from gear menu.

This CL removes:
- "Move window to..." menu item from the gear menu.
- Remove APIs fileBrowserPrivate.onProfileAdded and fileBrowserPrivate.onDesktopChanged as they are used only for updating gear menu.
- Remove corresponding tests.

BUG=408965
TEST=run browser_test, unit_tests
TBR=benwells@chromium.org
# TBRing for just removing unused events from file_browser_private.idl

Review URL: https://codereview.chromium.org/530553006

Cr-Commit-Position: refs/heads/master@{#292860}

9 files changed, 5 insertions, 289 deletions

diff --git a/chrome/browser/chromeos/extensions/file_manager/event_router.cc b/chrome/browser/chromeos/extensions/file_manager/event_router.cc
index c459ccb..9d85d4a 100644
--- a/chrome/browser/chromeos/extensions/file_manager/event_router.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/event_router.cc
@@ -38,7 +38,6 @@
 #include "chromeos/network/network_handler.h"
 #include "chromeos/network/network_state_handler.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/browser/notification_source.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/storage_partition.h"
 #include "extensions/browser/event_router.h"
@@ -251,22 +250,6 @@ std::string FileErrorToErrorName(base::File::Error error_code) {
   }
 }
 
-void GrantAccessForAddedProfileToRunningInstance(Profile* added_profile,
-                                                 Profile* running_profile) {
-  extensions::ProcessManager* const process_manager =
-      extensions::ExtensionSystem::Get(running_profile)->process_manager();
-  if (!process_manager)
-    return;
-
-  extensions::ExtensionHost* const extension_host =
-      process_manager->GetBackgroundHostForExtension(kFileManagerAppId);
-  if (!extension_host || !extension_host->render_process_host())
-    return;
-
-  const int id = extension_host->render_process_host()->GetID();
-  file_manager::util::SetupProfileFileAccessPermissions(id, added_profile);
-}
-
 // Checks if we should send a progress event or not according to the
 // |last_time| of sending an event. If |always| is true, the function always
 // returns true. If the function returns true, the function also updates
@@ -367,7 +350,6 @@ EventRouter::DriveJobInfoWithStatus::DriveJobInfoWithStatus(
 EventRouter::EventRouter(Profile* profile)
     : pref_change_registrar_(new PrefChangeRegistrar),
       profile_(profile),
-      multi_user_window_manager_observer_registered_(false),
       device_event_router_(new DeviceEventRouterImpl(profile)),
       weak_factory_(this) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ -413,14 +395,6 @@ void EventRouter::Shutdown() {
       chromeos::DBusThreadManager::Get()->GetPowerManagerClient();
   power_manager_client->RemoveObserver(device_event_router_.get());
 
-  chrome::MultiUserWindowManager* const multi_user_window_manager =
-      chrome::MultiUserWindowManager::GetInstance();
-  if (multi_user_window_manager &&
-      multi_user_window_manager_observer_registered_) {
-    multi_user_window_manager_observer_registered_ = false;
-    multi_user_window_manager->RemoveObserver(this);
-  }
-
   profile_ = NULL;
 }
 
@@ -471,10 +445,6 @@ void EventRouter::ObserveEvents() {
   pref_change_registrar_->Add(prefs::kDisableDriveHostedFiles, callback);
   pref_change_registrar_->Add(prefs::kDisableDrive, callback);
   pref_change_registrar_->Add(prefs::kUse24HourClock, callback);
-
-  notification_registrar_.Add(this,
-                              chrome::NOTIFICATION_PROFILE_ADDED,
-                              content::NotificationService::AllSources());
 }
 
 // File watch setup routines.
@@ -940,35 +910,4 @@ void EventRouter::OnFormatCompleted(const std::string& device_path,
   // Do nothing.
 }
 
-void EventRouter::Observe(int type,
-                          const content::NotificationSource& source,
-                          const content::NotificationDetails& details) {
-  if (type == chrome::NOTIFICATION_PROFILE_ADDED) {
-    Profile* const added_profile = content::Source<Profile>(source).ptr();
-    if (!added_profile->IsOffTheRecord())
-      GrantAccessForAddedProfileToRunningInstance(added_profile, profile_);
-
-    BroadcastEvent(profile_,
-                   file_browser_private::OnProfileAdded::kEventName,
-                   file_browser_private::OnProfileAdded::Create());
-  }
-}
-
-void EventRouter::RegisterMultiUserWindowManagerObserver() {
-  if (multi_user_window_manager_observer_registered_)
-    return;
-  chrome::MultiUserWindowManager* const multi_user_window_manager =
-      chrome::MultiUserWindowManager::GetInstance();
-  if (multi_user_window_manager) {
-    multi_user_window_manager->AddObserver(this);
-    multi_user_window_manager_observer_registered_ = true;
-  }
-}
-
-void EventRouter::OnOwnerEntryChanged(aura::Window* window) {
-  BroadcastEvent(profile_,
-                 file_browser_private::OnDesktopChanged::kEventName,
-                 file_browser_private::OnDesktopChanged::Create());
-}
-
 }  // namespace file_manager
diff --git a/chrome/browser/chromeos/extensions/file_manager/event_router.h b/chrome/browser/chromeos/extensions/file_manager/event_router.h
index 7e094d6..7d187ea 100644
--- a/chrome/browser/chromeos/extensions/file_manager/event_router.h
+++ b/chrome/browser/chromeos/extensions/file_manager/event_router.h
@@ -21,12 +21,9 @@
 #include "chrome/browser/chromeos/file_manager/volume_manager.h"
 #include "chrome/browser/chromeos/file_manager/volume_manager_observer.h"
 #include "chrome/browser/drive/drive_service_interface.h"
-#include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 #include "chrome/common/extensions/api/file_browser_private.h"
 #include "chromeos/disks/disk_mount_manager.h"
 #include "chromeos/network/network_state_handler_observer.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
 #include "webkit/browser/fileapi/file_system_operation.h"
 
 class PrefChangeRegistrar;
@@ -51,14 +48,11 @@ class DeviceEventRouter;
 
 // Monitors changes in disk mounts, network connection state and preferences
 // affecting File Manager. Dispatches appropriate File Browser events.
-class EventRouter
-    : public chromeos::NetworkStateHandlerObserver,
-      public drive::FileSystemObserver,
-      public drive::JobListObserver,
-      public drive::DriveServiceObserver,
-      public VolumeManagerObserver,
-      public content::NotificationObserver,
-      public chrome::MultiUserWindowManager::Observer {
+class EventRouter : public chromeos::NetworkStateHandlerObserver,
+                    public drive::FileSystemObserver,
+                    public drive::JobListObserver,
+                    public drive::DriveServiceObserver,
+                    public VolumeManagerObserver {
  public:
   explicit EventRouter(Profile* profile);
   virtual ~EventRouter();
@@ -96,9 +90,6 @@ class EventRouter
                       const GURL& destination_url,
                       int64 size);
 
-  // Register observer to the multi user window manager.
-  void RegisterMultiUserWindowManagerObserver();
-
   // chromeos::NetworkStateHandlerObserver overrides.
   virtual void DefaultNetworkChanged(
       const chromeos::NetworkState* network) OVERRIDE;
@@ -135,14 +126,6 @@ class EventRouter
   virtual void OnFormatCompleted(
       const std::string& device_path, bool success) OVERRIDE;
 
-  // content::NotificationObserver overrides.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // chrome::MultiUserWindowManager::Observer overrides:
-  virtual void OnOwnerEntryChanged(aura::Window* window) OVERRIDE;
-
  private:
   typedef std::map<base::FilePath, FileWatcher*> WatcherMap;
 
@@ -202,9 +185,6 @@ class EventRouter
   scoped_ptr<PrefChangeRegistrar> pref_change_registrar_;
   Profile* profile_;
 
-  content::NotificationRegistrar notification_registrar_;
-  bool multi_user_window_manager_observer_registered_;
-
   scoped_ptr<DeviceEventRouter> device_event_router_;
 
   // Note: This should remain the last member so it'll be destroyed and
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
index ed0aea0..67e57bd 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
@@ -11,7 +11,6 @@
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
-#include "chrome/browser/chromeos/extensions/file_manager/event_router.h"
 #include "chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.h"
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_util.h"
 #include "chrome/browser/chromeos/file_manager/app_installer.h"
@@ -418,11 +417,6 @@ bool FileBrowserPrivateVisitDesktopFunction::RunSync() {
     return false;
   }
 
-  // Observe owner changes of windows.
-  file_manager::EventRouter* const event_router =
-      file_manager::FileBrowserPrivateAPI::Get(GetProfile())->event_router();
-  event_router->RegisterMultiUserWindowManagerObserver();
-
   // Move the window to the user's desktop.
   window_manager->ShowWindowForUser(app_window->GetNativeWindow(),
                                     params->profile_id);
diff --git a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
index 63e8501..a8c82e7 100644
--- a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
@@ -1219,26 +1219,6 @@ IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest, MAYBE_BasicDrive) {
   StartTest();
 }
 
-// Slow tests are disabled on debug build. http://crbug.com/327719
-#if !defined(NDEBUG)
-#define MAYBE_PRE_VisitDesktopMenu DISABLED_PRE_VisitDesktopMenu
-#define MAYBE_VisitDesktopMenu DISABLED_VisitDesktopMenu
-#else
-#define MAYBE_PRE_VisitDesktopMenu PRE_VisitDesktopMenu
-#define MAYBE_VisitDesktopMenu VisitDesktopMenu
-#endif
-IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest,
-                       MAYBE_PRE_VisitDesktopMenu) {
-  AddAllUsers();
-}
-
-IN_PROC_BROWSER_TEST_F(MultiProfileFileManagerBrowserTest,
-                       MAYBE_VisitDesktopMenu) {
-  // Test for the menu item for visiting other profile's desktop.
-  set_test_case_name("multiProfileVisitDesktopMenu");
-  StartTest();
-}
-
 template<GuestMode M>
 class GalleryBrowserTestBase : public FileManagerBrowserTestBase {
  public:
diff --git a/chrome/common/extensions/api/file_browser_private.idl b/chrome/common/extensions/api/file_browser_private.idl
index d4f1b24..112b4d8 100644
--- a/chrome/common/extensions/api/file_browser_private.idl
+++ b/chrome/common/extensions/api/file_browser_private.idl
@@ -818,12 +818,5 @@ interface Events {
   static void onDeviceChanged(DeviceEvent event);
 
   static void onDriveSyncError(DriveSyncErrorEvent event);
-
-  // Dispatched when a profile is added.
-  static void onProfileAdded();
-
-  // Dispatched when any window moves another desktop.
-  // TODO(hirono): Add information which window is moved.
-  static void onDesktopChanged();
 };
 };
diff --git a/chrome/test/data/extensions/api_test/file_manager_browsertest/file_manager/multi_profile.js b/chrome/test/data/extensions/api_test/file_manager_browsertest/file_manager/multi_profile.js
deleted file mode 100644
index 65423d5..0000000
--- a/chrome/test/data/extensions/api_test/file_manager_browsertest/file_manager/multi_profile.js
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2014 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.
-
-'use strict';
-
-/**
- * @type {string}
- * @const
- */
-var UNTIL_ADDED = 'untilAdded';
-
-/**
- * @type {string}
- * @const
- */
-var UNTIL_REMOVED = 'untilRemoved';
-
-/**
- * Waits for the 'move to profileId' menu to appear or to disappear.
- * @param {string} windowId Window ID.
- * @param {string} profileId Profile ID.
- * @param {string} waitMode UNTIL_ADDED or UNTIL_REMOVED.
- * @return {Promise} Promise to be fulfilled when the menu appears or
- *     disappears.
- */
-function waitForVisitDesktopMenu(windowId, profileId, waitMode) {
-  if (waitMode !== UNTIL_ADDED && waitMode !== UNTIL_REMOVED)
-    throw new Error('Wait mode is invalid: ' + waitMode);
-  return repeatUntil(function() {
-    return callRemoteTestUtil('queryAllElements', windowId, ['.visit-desktop']).
-        then(function(elements) {
-          var found = false;
-          for (var i = 0; i < elements.length; i++) {
-            if (elements[i].text.indexOf(profileId) !== -1) {
-              found = true;
-              break;
-            }
-          }
-          if ((waitMode === UNTIL_ADDED && !found) ||
-              (waitMode === UNTIL_REMOVED && found))
-            return pending(
-                'Waiting for the visit desktop menu to %s: ' +
-                '%s, but currently it is %j.',
-                waitMode === UNTIL_ADDED ? 'contain' : 'exclude',
-                profileId,
-                elements);
-        });
-  });
-}
-
-testcase.multiProfileVisitDesktopMenu = function() {
-  var appId;
-  StepsRunner.run([
-    function() {
-      setupAndWaitUntilReady(null, RootPath.DOWNLOADS, this.next);
-    },
-    // Add all users.
-    function(inAppId) {
-      appId = inAppId;
-      chrome.test.sendMessage(JSON.stringify({name: 'addAllUsers'}),
-                              this.next);
-    },
-    // Wait for menu items. Profiles for non-current desktop should appear and
-    // the profile for the current desktop (alice) should be hidden.
-    function(json) {
-      chrome.test.assertTrue(JSON.parse(json));
-      Promise.all([
-        waitForVisitDesktopMenu(appId, 'bob@invalid.domain', UNTIL_ADDED),
-        waitForVisitDesktopMenu(appId, 'charlie@invalid.domain', UNTIL_ADDED),
-        waitForVisitDesktopMenu(appId, 'alice@invalid.domain', UNTIL_REMOVED)
-      ]).
-      then(this.next, function(error) {
-        chrome.test.fail(error.stack || error);
-      });
-    },
-    // Activate the visit desktop menu.
-    function() {
-      callRemoteTestUtil('runVisitDesktopMenu',
-                         appId,
-                         ['bob@invalid.domain'],
-                         this.next);
-    },
-    // Wait for the new menu state. Now 'alice' is shown and 'bob' is hidden.
-    function(result) {
-      chrome.test.assertTrue(result);
-      Promise.all([
-        waitForVisitDesktopMenu(appId, 'bob@invalid.domain', UNTIL_REMOVED),
-        waitForVisitDesktopMenu(appId, 'charlie@invalid.domain', UNTIL_ADDED),
-        waitForVisitDesktopMenu(appId, 'alice@invalid.domain', UNTIL_ADDED)
-      ]).
-      then(this.next, function(error) {
-        chrome.test.fail(error.stack || error);
-      });
-    },
-    // Check that the window owner has indeed been changed.
-    function() {
-      chrome.test.sendMessage(JSON.stringify({name: 'getWindowOwnerId'}),
-                              this.next);
-    },
-    function(result) {
-      chrome.test.assertEq('bob@invalid.domain', result);
-      checkIfNoErrorsOccured(this.next);
-    }
-  ]);
-};
diff --git a/chrome/test/data/extensions/api_test/file_manager_browsertest/file_manager_test_manifest.json b/chrome/test/data/extensions/api_test/file_manager_browsertest/file_manager_test_manifest.json
index fd39ad2..3d6eeb9 100644
--- a/chrome/test/data/extensions/api_test/file_manager_browsertest/file_manager_test_manifest.json
+++ b/chrome/test/data/extensions/api_test/file_manager_browsertest/file_manager_test_manifest.json
@@ -19,7 +19,6 @@
       "file_manager/folder_shortcuts.js",
       "file_manager/grid_view.js",
       "file_manager/keyboard_operations.js",
-      "file_manager/multi_profile.js",
       "file_manager/open_audio_files.js",
       "file_manager/open_video_files.js",
       "file_manager/open_zip_files.js",
diff --git a/ui/file_manager/file_manager/foreground/js/file_manager.js b/ui/file_manager/file_manager/foreground/js/file_manager.js
index 9fee885..7ca5611 100644
--- a/ui/file_manager/file_manager/foreground/js/file_manager.js
+++ b/ui/file_manager/file_manager/foreground/js/file_manager.js
@@ -478,12 +478,6 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
     this.gearButton_ = this.dialogDom_.querySelector('#gear-button');
     this.gearButton_.addEventListener('menushow',
         this.onShowGearMenu_.bind(this));
-    chrome.fileBrowserPrivate.onDesktopChanged.addListener(function() {
-      this.updateVisitDesktopMenus_();
-    }.bind(this));
-    chrome.fileBrowserPrivate.onProfileAdded.addListener(
-        this.updateVisitDesktopMenus_.bind(this));
-    this.updateVisitDesktopMenus_();
 
     this.dialogDom_.querySelector('#gear-menu').menuItemSelector =
         'menuitem, hr';
@@ -2155,62 +2149,6 @@ var BOTTOM_MARGIN_FOR_PREVIEW_PANEL_PX = 52;
   };
 
   /**
-   * Update menus that move the window to the other profile's desktop.
-   * TODO(hirono): Add the GearMenu class and make it a member of the class.
-   * TODO(hirono): Handle the case where a profile is added while the menu is
-   *     opened.
-   * @private
-   */
-  FileManager.prototype.updateVisitDesktopMenus_ = function() {
-    var gearMenu = this.document_.querySelector('#gear-menu');
-    var separator =
-        this.document_.querySelector('#multi-profile-separator');
-
-    // Remove existing menu items.
-    var oldItems =
-        this.document_.querySelectorAll('#gear-menu .visit-desktop');
-    for (var i = 0; i < oldItems.length; i++) {
-      gearMenu.removeChild(oldItems[i]);
-    }
-    separator.hidden = true;
-
-    if (this.dialogType !== DialogType.FULL_PAGE)
-      return;
-
-    // Obtain the profile information.
-    chrome.fileBrowserPrivate.getProfiles(function(profiles,
-                                                   currentId,
-                                                   displayedId) {
-      // Check if the menus are needed or not.
-      var insertingPosition = separator.nextSibling;
-      if (profiles.length === 1 && profiles[0].profileId === displayedId)
-        return;
-
-      separator.hidden = false;
-      for (var i = 0; i < profiles.length; i++) {
-        var profile = profiles[i];
-        if (profile.profileId === displayedId)
-          continue;
-        var item = this.document_.createElement('menuitem');
-        cr.ui.MenuItem.decorate(item);
-        gearMenu.insertBefore(item, insertingPosition);
-        item.className = 'visit-desktop';
-        item.label = strf('VISIT_DESKTOP_OF_USER',
-                          profile.displayName,
-                          profile.profileId);
-        item.addEventListener('activate', function(inProfile, event) {
-          // Stop propagate and hide the menu manually, in order to prevent the
-          // focus from being back to the button. (cf. http://crbug.com/248479)
-          event.stopPropagation();
-          this.gearButton_.hideMenu();
-          this.gearButton_.blur();
-          chrome.fileBrowserPrivate.visitDesktop(inProfile.profileId);
-        }.bind(this, profile));
-      }
-    }.bind(this));
-  };
-
-  /**
    * Refreshes space info of the current volume.
    * @param {boolean} showLoadingCaption Whether show loading caption or not.
    * @private
diff --git a/ui/file_manager/file_manager/main.html b/ui/file_manager/file_manager/main.html
index 9c957ca..0feb24d 100644
--- a/ui/file_manager/file_manager/main.html
+++ b/ui/file_manager/file_manager/main.html
@@ -241,7 +241,6 @@
     <menu id="gear-menu" class="chrome-menu" showShortcuts>
       <menuitem id="gear-menu-newwindow" command="#new-window"></menuitem>
       <menuitem id="gear-menu-newfolder" command="#new-folder"></menuitem>
-      <hr id="multi-profile-separator">
       <hr id="drive-separator">
       <menuitem id="gear-menu-drive-sync-settings"
                 command="#drive-sync-settings"></menuitem>