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

net/socket/deterministic_socket_data_unittest.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 "net/socket/socket_test_util.h"
 
 #include <string.h>
 
 #include "base/memory/ref_counted.h"
 #include "testing/platform_test.h"
@@ skipping 59 matching lines @@
     : sock_(NULL),
       data_(NULL),
       read_buf_(NULL),
       connect_data_(SYNCHRONOUS, OK),
       endpoint_("www.google.com", 443),
       tcp_params_(new TransportSocketParams(endpoint_,
                                             LOWEST,
                                             false,
                                             false,
                                             OnHostResolutionCallback())),
-      histograms_(""),
-      socket_pool_(10, 10, &histograms_, &socket_factory_) {
-}
+      histograms_(std::string()),
+      socket_pool_(10, 10, &histograms_, &socket_factory_) {}
 
 void DeterministicSocketDataTest::TearDown() {
   // Empty the current queue.
   MessageLoop::current()->RunUntilIdle();
   PlatformTest::TearDown();
 }
 
 void DeterministicSocketDataTest::Initialize(MockRead* reads,
                                            size_t reads_count,
                                            MockWrite* writes,
@@ skipping 503 matching lines @@
   data_->StopAfter(1);
   AssertSyncWriteEquals(kMsg3, kLen3);
 
   data_->RunFor(1);
   ASSERT_TRUE(read_callback_.have_result());
   ASSERT_EQ(kLen2, read_callback_.WaitForResult());
   AssertReadBufferEquals(kMsg2, kLen2);
 }
 
 }  // namespace net