Access to Chrome via the System Tray should go through the User Manager.

chrome/browser/profiles/profile_window.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/profiles/profile_window.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 32 matching lines @@
 
 const char kNewProfileManagementExperimentInternalName[] =
     "enable-new-profile-management";
 
 // Handles running a callback when a new Browser for the given profile
 // has been completely created.
 class BrowserAddedForProfileObserver : public chrome::BrowserListObserver {
  public:
   BrowserAddedForProfileObserver(
       Profile* profile,
-      profiles::ProfileSwitchingDoneCallback callback)
+      ProfileManager::CreateCallback callback)
       : profile_(profile),
         callback_(callback) {
     DCHECK(!callback_.is_null());
     BrowserList::AddObserver(this);
   }
   virtual ~BrowserAddedForProfileObserver() {
   }
 
  private:
   // Overridden from BrowserListObserver:
   virtual void OnBrowserAdded(Browser* browser) OVERRIDE {
     if (browser->profile() == profile_) {
       BrowserList::RemoveObserver(this);
-      callback_.Run();
+      callback_.Run(profile_, Profile::CREATE_STATUS_ALREADY_CREATED);
       base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
     }
   }
 
   // Profile for which the browser should be opened.
   Profile* profile_;
-  profiles::ProfileSwitchingDoneCallback callback_;
+  ProfileManager::CreateCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAddedForProfileObserver);
 };
 
 void OpenBrowserWindowForProfile(
-    profiles::ProfileSwitchingDoneCallback callback,
+    ProfileManager::CreateCallback callback,
     bool always_create,
     bool is_new_profile,
     chrome::HostDesktopType desktop_type,
     Profile* profile,
     Profile::CreateStatus status) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (status != Profile::CREATE_STATUS_INITIALIZED)
     return;
 
@@ skipping 10 matching lines @@
   // If |always_create| is false, and we have a |callback| to run, check
   // whether a browser already exists so that we can run the callback. We don't
   // want to rely on the observer listening to OnBrowserSetLastActive in this
   // case, as you could manually activate an incorrect browser and trigger
   // a false positive.
   if (!always_create) {
     Browser* browser = chrome::FindTabbedBrowser(profile, false, desktop_type);
     if (browser) {
       browser->window()->Activate();
       if (!callback.is_null())
-        callback.Run();
+        callback.Run(profile, Profile::CREATE_STATUS_ALREADY_CREATED);
       return;
     }
   }
 
   // If there is a callback, create an observer to make sure it is only
   // run when the browser has been completely created. This observer will
   // delete itself once that happens. This should not leak, because we are
   // passing |always_create| = true to FindOrCreateNewWindow below, which ends
   // up calling LaunchBrowser and opens a new window. If for whatever reason
   // that fails, either something has crashed, or the observer will be cleaned
   // up when a different browser for this profile is opened.
   if (!callback.is_null())
     new BrowserAddedForProfileObserver(profile, callback);
 
   // We already dealt with the case when |always_create| was false and a browser
   // existed, which means that here a browser definitely needs to be created.
   // Passing true for |always_create| means we won't duplicate the code that
   // tries to find a browser.
   profiles::FindOrCreateNewWindowForProfile(
       profile,
       is_process_startup,
       is_first_run,
       desktop_type,
       true);
 }
 
 // Called after a |guest_profile| is available to be used by the user manager.
 // Based on the value of |tutorial_mode| we determine a url to be displayed
-// by the webui and run the |callback|, if it exists.
+// by the webui and run the |callback|, if it exists. After opening a profile,
+// perform |profile_open_action|.
 void OnUserManagerGuestProfileCreated(
     const base::FilePath& profile_path_to_focus,
     profiles::UserManagerTutorialMode tutorial_mode,
+    profiles::UserManagerProfileSelected profile_open_action,
     const base::Callback<void(Profile*, const std::string&)>& callback,
     Profile* guest_profile,
     Profile::CreateStatus status) {
   if (status != Profile::CREATE_STATUS_INITIALIZED || callback.is_null())
     return;
 
   // Tell the webui which user should be focused.
   std::string page = chrome::kChromeUIUserManagerURL;
 
   if (tutorial_mode == profiles::USER_MANAGER_TUTORIAL_OVERVIEW) {
     page += "#tutorial";

[noms (inactive), 2014/09/11 19:05:41]

nit: maybe make this into a constant next to the other two as well?

[Mike Lerman, 2014/09/11 20:51:51]

Sure.

   } else if (!profile_path_to_focus.empty()) {
     const ProfileInfoCache& cache =
         g_browser_process->profile_manager()->GetProfileInfoCache();
     size_t index = cache.GetIndexOfProfileWithPath(profile_path_to_focus);
     if (index != std::string::npos) {
       page += "#";
       page += base::IntToString(index);
     }
+  } else if (profile_open_action ==
+             profiles::USER_MANAGER_SELECT_PROFILE_TASK_MANAGER) {
+    page += profiles::kUserManagerSelectProfileTaskManager;
+  } else if (profile_open_action ==
+             profiles::USER_MANAGER_SELECT_PROFILE_ABOUT_CHROME) {
+    page += profiles::kUserManagerSelectProfileAboutChrome;
   }
-
   callback.Run(guest_profile, page);
 }
 
 // Updates Chrome services that require notification when
 // the new_profile_management's status changes.
 void UpdateServicesWithNewProfileManagementFlag(Profile* profile,
                                                 bool new_flag_status) {
   AccountReconcilor* account_reconcilor =
       AccountReconcilorFactory::GetForProfile(profile);
   account_reconcilor->OnNewProfileManagementFlagChanged(new_flag_status);
 }
 
 }  // namespace
 
 namespace profiles {
 
+// User Manager parameters are prefixed with hash.
+const char kUserManagerSelectProfileTaskManager[] = "#task-manager";
+const char kUserManagerSelectProfileAboutChrome[] = "#about-chrome";
+
 void FindOrCreateNewWindowForProfile(
     Profile* profile,
     chrome::startup::IsProcessStartup process_startup,
     chrome::startup::IsFirstRun is_first_run,
     chrome::HostDesktopType desktop_type,
     bool always_create) {
 #if defined(OS_IOS)
   NOTREACHED();
 #else
   DCHECK(profile);
@@ skipping 11 matching lines @@
   int return_code;
   StartupBrowserCreator browser_creator;
   browser_creator.LaunchBrowser(command_line, profile, base::FilePath(),
                                 process_startup, is_first_run, &return_code);
 #endif  // defined(OS_IOS)
 }
 
 void SwitchToProfile(const base::FilePath& path,
                      chrome::HostDesktopType desktop_type,
                      bool always_create,
-                     ProfileSwitchingDoneCallback callback,
+                     ProfileManager::CreateCallback callback,
                      ProfileMetrics::ProfileOpen metric) {
   g_browser_process->profile_manager()->CreateProfileAsync(
       path,
       base::Bind(&OpenBrowserWindowForProfile,
                  callback,
                  always_create,
                  false,
                  desktop_type),
       base::string16(),
       base::string16(),
       std::string());
   ProfileMetrics::LogProfileSwitchUser(metric);
 }
 
 void SwitchToGuestProfile(chrome::HostDesktopType desktop_type,
-                          ProfileSwitchingDoneCallback callback) {
+                          ProfileManager::CreateCallback callback) {
   g_browser_process->profile_manager()->CreateProfileAsync(
       ProfileManager::GetGuestProfilePath(),
       base::Bind(&OpenBrowserWindowForProfile,
                  callback,
                  false,
                  false,
                  desktop_type),
       base::string16(),
       base::string16(),
       std::string());
   ProfileMetrics::LogProfileSwitchUser(ProfileMetrics::SWITCH_PROFILE_GUEST);
 }
 
 void CreateAndSwitchToNewProfile(chrome::HostDesktopType desktop_type,
-                                 ProfileSwitchingDoneCallback callback,
+                                 ProfileManager::CreateCallback callback,
                                  ProfileMetrics::ProfileAdd metric) {
   ProfileInfoCache& cache =
       g_browser_process->profile_manager()->GetProfileInfoCache();
 
   int placeholder_avatar_index = profiles::GetPlaceholderAvatarIndex();
   ProfileManager::CreateMultiProfileAsync(
       cache.ChooseNameForNewProfile(placeholder_avatar_index),
       base::UTF8ToUTF16(profiles::GetDefaultAvatarIconUrl(
           placeholder_avatar_index)),
       base::Bind(&OpenBrowserWindowForProfile,
@@ skipping 33 matching lines @@
   DCHECK(profile);
   if (profile) {
     BrowserList::CloseAllBrowsersWithProfile(
         profile, base::Bind(&LockBrowserCloseSuccess));
   }
 }
 
 void CreateGuestProfileForUserManager(
     const base::FilePath& profile_path_to_focus,
     profiles::UserManagerTutorialMode tutorial_mode,
+    profiles::UserManagerProfileSelected profile_open_action,
     const base::Callback<void(Profile*, const std::string&)>& callback) {
   // Create the guest profile, if necessary, and open the User Manager
   // from the guest profile.
   g_browser_process->profile_manager()->CreateProfileAsync(
       ProfileManager::GetGuestProfilePath(),
       base::Bind(&OnUserManagerGuestProfileCreated,
                  profile_path_to_focus,
                  tutorial_mode,
+                 profile_open_action,
                  callback),
       base::string16(),
       base::string16(),
       std::string());
 }
 
 void ShowUserManagerMaybeWithTutorial(Profile* profile) {
   // Guest users cannot appear in the User Manager, nor display a tutorial.
   if (!profile || profile->IsGuestSession()) {
     chrome::ShowUserManager(base::FilePath());
@@ skipping 71 matching lines @@
     case BrowserWindow::AVATAR_BUBBLE_MODE_SHOW_ERROR:
       *bubble_view_mode = BUBBLE_VIEW_MODE_PROFILE_CHOOSER;
       *tutorial_mode = TUTORIAL_MODE_SHOW_ERROR;
       return;
     default:
       *bubble_view_mode = profiles::BUBBLE_VIEW_MODE_PROFILE_CHOOSER;
   }
 }
 
 }  // namespace profiles