Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/extensions/platform_app_launcher.cc

 // 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.
 
 #include "chrome/browser/extensions/platform_app_launcher.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 89 matching lines @@
 // An instance of this class is created for each launch. The lifetime of these
 // instances is managed by reference counted pointers. As long as an instance
 // has outstanding tasks on a message queue it will be retained; once all
 // outstanding tasks are completed it will be deleted.
 class PlatformAppPathLauncher
     : public base::RefCountedThreadSafe<PlatformAppPathLauncher> {
  public:
   PlatformAppPathLauncher(Profile* profile,
                           const Extension* extension,
                           const base::FilePath& file_path)
-      : profile_(profile),
-        extension_(extension),
-        file_path_(file_path),
-        handler_id_("") {}
+      : profile_(profile), extension_(extension), file_path_(file_path) {}
 
   void Launch() {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     if (file_path_.empty()) {
       LaunchPlatformAppWithNoData(profile_, extension_);
       return;
     }
 
     DCHECK(file_path_.IsAbsolute());
 
@@ skipping 296 matching lines @@
 void RestartPlatformAppWithFileEntries(
     Profile* profile,
     const Extension* extension,
     const std::vector<SavedFileEntry>& file_entries) {
   scoped_refptr<SavedFileEntryLauncher> launcher = new SavedFileEntryLauncher(
       profile, extension, file_entries);
   launcher->Launch();
 }
 
 }  // namespace extensions