Add SpdyString alias for std::string in net/spdy.

net/spdy/spdy_session_pool.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/spdy/spdy_session_pool.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 380 matching lines @@
 void SpdySessionPool::OnSSLConfigChanged() {
   CloseCurrentSessions(ERR_NETWORK_CHANGED);
 }
 
 void SpdySessionPool::OnCertDBChanged() {
   CloseCurrentSessions(ERR_CERT_DATABASE_CHANGED);
 }
 
 void SpdySessionPool::DumpMemoryStats(
     base::trace_event::ProcessMemoryDump* pmd,
-    const std::string& parent_dump_absolute_name) const {
+    const SpdyString& parent_dump_absolute_name) const {
   if (sessions_.empty())
     return;
   size_t total_size = 0;
   size_t buffer_size = 0;
   size_t cert_count = 0;
   size_t cert_size = 0;
   size_t num_active_sessions = 0;
   for (auto* session : sessions_) {
     StreamSocket::SocketMemoryStats stats;
     bool is_session_active = false;
@@ skipping 76 matching lines @@
 
 SpdySessionPool::WeakSessionList SpdySessionPool::GetCurrentSessions() const {
   WeakSessionList current_sessions;
   for (SessionSet::const_iterator it = sessions_.begin();
        it != sessions_.end(); ++it) {
     current_sessions.push_back((*it)->GetWeakPtr());
   }
   return current_sessions;
 }
 
-void SpdySessionPool::CloseCurrentSessionsHelper(
-    Error error,
-    const std::string& description,
-    bool idle_only) {
+void SpdySessionPool::CloseCurrentSessionsHelper(Error error,
+                                                 const SpdyString& description,
+                                                 bool idle_only) {
   WeakSessionList current_sessions = GetCurrentSessions();
   for (WeakSessionList::const_iterator it = current_sessions.begin();
        it != current_sessions.end(); ++it) {
     if (!*it)
       continue;
 
     if (idle_only && (*it)->is_active())
       continue;
 
     (*it)->CloseSessionOnError(error, description);
     DCHECK(!IsSessionAvailable(*it));
   }
 }
 
 }  // namespace net