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

chrome/common/extensions/api/commands/commands_handler.cc

 // Copyright (c) 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/common/extensions/api/commands/commands_handler.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
@@ skipping 119 matching lines @@
 bool CommandsHandler::AlwaysParseForType(Manifest::Type type) const {
   return type == Manifest::TYPE_EXTENSION ||
       type == Manifest::TYPE_LEGACY_PACKAGED_APP ||
       type == Manifest::TYPE_PLATFORM_APP;
 }
 
 void CommandsHandler::MaybeSetBrowserActionDefault(const Extension* extension,
                                                    CommandsInfo* info) {
   if (extension->manifest()->HasKey(keys::kBrowserAction) &&
       !info->browser_action_command.get()) {
-    info->browser_action_command.reset(new Command(
-        extension_manifest_values::kBrowserActionCommandEvent, string16(), ""));
+    info->browser_action_command.reset(
+        new Command(extension_manifest_values::kBrowserActionCommandEvent,
+                    string16(),
+                    std::string()));
   }
 }
 
 const std::vector<std::string> CommandsHandler::Keys() const {
   return SingleKey(keys::kCommands);
 }
 
 }  // namespace extensions