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

ppapi/cpp/dev/text_input_dev.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 "ppapi/cpp/dev/text_input_dev.h"
 
 #include "ppapi/c/dev/ppp_text_input_dev.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module_impl.h"
@@ skipping 36 matching lines @@
                                     &ppp_text_input);
   instance->AddPerInstanceObject(kPPPTextInputInterface, this);
 }
 
 TextInput_Dev::~TextInput_Dev() {
   Instance::RemovePerInstanceObject(instance_, kPPPTextInputInterface, this);
 }
 
 void TextInput_Dev::RequestSurroundingText(uint32_t) {
   // Default implementation. Send a null range.
-  UpdateSurroundingText("", 0, 0);
+  UpdateSurroundingText(std::string(), 0, 0);
 }
 
 void TextInput_Dev::SetTextInputType(PP_TextInput_Type type) {
   if (has_interface<PPB_TextInput_Dev_0_2>()) {
     get_interface<PPB_TextInput_Dev_0_2>()->SetTextInputType(
         instance_.pp_instance(), type);
   } else if (has_interface<PPB_TextInput_Dev_0_1>()) {
     get_interface<PPB_TextInput_Dev_0_1>()->SetTextInputType(
         instance_.pp_instance(), type);
   }
@@ skipping 31 matching lines @@
                                           uint32_t caret,
                                           uint32_t anchor) {
   if (has_interface<PPB_TextInput_Dev_0_2>()) {
     get_interface<PPB_TextInput_Dev_0_2>()->UpdateSurroundingText(
         instance_.pp_instance(), text.c_str(), caret, anchor);
   }
 }
 
 
 }  // namespace pp