Implementation of the "Redirect URLs to Packaged Apps" feature.

chrome/browser/extensions/platform_app_launcher.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_EXTENSIONS_PLATFORM_APP_LAUNCHER_H_
 #define CHROME_BROWSER_EXTENSIONS_PLATFORM_APP_LAUNCHER_H_
 
 #include <string>
 #include <vector>
 
 class CommandLine;
 class Profile;
+class GURL;
 
 namespace base {
 class FilePath;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
@@ skipping 12 matching lines @@
                        const Extension* extension,
                        const CommandLine* command_line,
                        const base::FilePath& current_directory);
 
 // Launches the platform app |extension| with the contents of |file_path|
 // available through the launch data.
 void LaunchPlatformAppWithPath(Profile* profile,
                                const Extension* extension,
                                const base::FilePath& file_path);
 
-// Launches the platform app |extension| with the contents of |file_path|
-// available through the launch data.
+// Launches the platform app |extension| with |handler_id| and the contents of
+// |file_path| available through the launch data. |handler_id| corresponds to
+// the id of the file_handlers item in the manifest that resulted in a match
+// that triggered this launch.
 void LaunchPlatformAppWithFileHandler(Profile* profile,
                                       const Extension* extension,
                                       const std::string& handler_id,
                                       const base::FilePath& file_path);
 
 void RestartPlatformAppWithFileEntries(
     Profile* profile,
     const Extension* extension,
     const std::vector<app_file_handler_util::SavedFileEntry>&
         saved_file_entries);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_PLATFORM_APP_LAUNCHER_H_