Enable profile switching for standalone App Launcher via the Settings App.

chrome/browser/ui/startup/startup_browser_creator.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_
 #define CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
              const FilePath& cur_dir,
              Profile* last_used_profile,
              const Profiles& last_opened_profiles,
              int* return_code) {
     return ProcessCmdLineImpl(cmd_line, cur_dir, true, last_used_profile,
                               last_opened_profiles, return_code, this);
   }
 
   // This function performs command-line handling and is invoked only after
   // start up (for example when we get a start request for another process).
-  // |command_line| holds the command line we need to process
-  static void ProcessCommandLineAlreadyRunning(const CommandLine& cmd_line,
-                                               const FilePath& cur_dir);
+  // |command_line| holds the command line we need to process.
+  // |cur_dir| is the current working directory that the original process was
+  // invoked from.
+  // |startup_profile_dir| is the directory that contains the profile that the
+  // command line arguments will be executed under.
+  static void ProcessCommandLineAlreadyRunning(
+      const CommandLine& command_line,
+      const FilePath& cur_dir,
+      const FilePath& startup_profile_dir);
 
   template <class AutomationProviderClass>
   static bool CreateAutomationProvider(const std::string& channel_id,
                                        Profile* profile,
                                        size_t expected_tabs);
 
   // Returns true if we're launching a profile synchronously. In that case, the
   // opened window should not cause a session restore.
   static bool InSynchronousProfileLaunch();
 
@@ skipping 58 matching lines @@
   static bool ProcessCmdLineImpl(const CommandLine& command_line,
                                  const FilePath& cur_dir,
                                  bool process_startup,
                                  Profile* last_used_profile,
                                  const Profiles& last_opened_profiles,
                                  int* return_code,
                                  StartupBrowserCreator* browser_creator);
 
   // Callback after a profile has been created.
   static void ProcessCommandLineOnProfileCreated(
-      const CommandLine& cmd_line,
+      const CommandLine& command_line,
       const FilePath& cur_dir,
       Profile* profile,
       Profile::CreateStatus status);
 
   // Returns true once a profile was activated. Used by the
   // StartupBrowserCreatorTest.LastUsedProfileActivated test.
   static bool ActivatedProfile();
 
   // Additional tabs to open during first run.
   std::vector<GURL> first_run_tabs_;
@@ skipping 11 matching lines @@
   // member variable instead of a static variable inside WasRestarted because
   // of testing.)
   static bool was_restarted_read_;
 
   static bool in_synchronous_profile_launch_;
 
   DISALLOW_COPY_AND_ASSIGN(StartupBrowserCreator);
 };
 
 #endif  // CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_