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

content/browser/ppapi_plugin_process_host.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 "content/browser/ppapi_plugin_process_host.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 299 matching lines @@
   if (!plugin_launcher.empty())
     cmd_line->PrependWrapper(plugin_launcher);
 
   // On posix, never use the zygote for the broker. Also, only use the zygote if
   // the plugin is sandboxed, and we are not using a plugin launcher - having a
   // plugin launcher means we need to use another process instead of just
   // forking the zygote.
 #if defined(OS_POSIX)
   bool use_zygote = !is_broker_ && plugin_launcher.empty() && info.is_sandboxed;
   if (!info.is_sandboxed)
-    cmd_line->AppendSwitchASCII(switches::kNoSandbox, "");
+    cmd_line->AppendSwitchASCII(switches::kNoSandbox, std::string());
 #endif  // OS_POSIX
   process_->Launch(
 #if defined(OS_WIN)
       new PpapiPluginSandboxedProcessLauncherDelegate(is_broker_),
 #elif defined(OS_POSIX)
       use_zygote,
       base::EnvironmentVector(),
 #endif
       cmd_line);
   return true;
@@ skipping 89 matching lines @@
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   const ChildProcessData& data = process_->GetData();
   client->OnPpapiChannelOpened(channel_handle, base::GetProcId(data.handle),
                                data.id);
 }
 
 }  // namespace content