Revert of Removing references to webrtc::PortAllocatorFactoryInterface.

content/renderer/p2p/port_allocator.cc

Index: content/renderer/p2p/port_allocator.cc
diff --git a/content/renderer/p2p/port_allocator.cc b/content/renderer/p2p/port_allocator.cc
index 1f2d1e3af049580208c82a09ab51738ebb34ae81..681e5cbbe1e402e9243e322b54daea5c8a024251 100644
--- a/content/renderer/p2p/port_allocator.cc
+++ b/content/renderer/p2p/port_allocator.cc
@@ -10,6 +10,18 @@
 #include "content/renderer/p2p/socket_dispatcher.h"
 
 namespace content {
+
+P2PPortAllocator::Config::Config() {}
+
+P2PPortAllocator::Config::~Config() {
+}
+
+P2PPortAllocator::Config::RelayServerConfig::RelayServerConfig()
+    : port(0) {
+}
+
+P2PPortAllocator::Config::RelayServerConfig::~RelayServerConfig() {
+}
 
 P2PPortAllocator::P2PPortAllocator(
     const scoped_refptr<P2PSocketDispatcher>& socket_dispatcher,
@@ -25,12 +37,10 @@
       origin_(origin),
       network_manager_task_runner_(task_runner) {
   uint32 flags = 0;
-  if (!config_.enable_multiple_routes) {
+  if (!config_.enable_multiple_routes)
     flags |= cricket::PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION;
-  }
-  if (!config_.enable_default_local_candidate) {
+  if (!config_.enable_default_local_candidate)
     flags |= cricket::PORTALLOCATOR_DISABLE_DEFAULT_LOCAL_CANDIDATE;
-  }
   if (!config_.enable_nonproxied_udp) {
     flags |= cricket::PORTALLOCATOR_DISABLE_UDP |
              cricket::PORTALLOCATOR_DISABLE_STUN |
@@ -55,4 +65,61 @@
                                            network_manager_.release());
 }
 
+cricket::PortAllocatorSession* P2PPortAllocator::CreateSessionInternal(
+    const std::string& content_name,
+    int component,
+    const std::string& ice_username_fragment,
+    const std::string& ice_password) {
+  return new P2PPortAllocatorSession(
+      this, content_name, component, ice_username_fragment, ice_password);
+}
+
+P2PPortAllocatorSession::P2PPortAllocatorSession(
+    P2PPortAllocator* allocator,
+    const std::string& content_name,
+    int component,
+    const std::string& ice_username_fragment,
+    const std::string& ice_password)
+    : cricket::BasicPortAllocatorSession(allocator,
+                                         content_name,
+                                         component,
+                                         ice_username_fragment,
+                                         ice_password),
+      allocator_(allocator) {
+}
+
+P2PPortAllocatorSession::~P2PPortAllocatorSession() {
+}
+
+void P2PPortAllocatorSession::GetPortConfigurations() {
+  const P2PPortAllocator::Config& config = allocator_->config_;
+  cricket::PortConfiguration* port_config = new cricket::PortConfiguration(
+      config.stun_servers, std::string(), std::string());
+
+  for (size_t i = 0; i < config.relays.size(); ++i) {
+    cricket::RelayCredentials credentials(config.relays[i].username,
+                                          config.relays[i].password);
+    cricket::RelayServerConfig relay_server(cricket::RELAY_TURN);
+    cricket::ProtocolType protocol;
+    if (!cricket::StringToProto(config.relays[i].transport_type.c_str(),
+                                &protocol)) {
+      DLOG(WARNING) << "Ignoring TURN server "
+                    << config.relays[i].server_address << ". "
+                    << "Reason= Incorrect "
+                    << config.relays[i].transport_type
+                    << " transport parameter.";
+      continue;
+    }
+
+    relay_server.ports.push_back(cricket::ProtocolAddress(
+        rtc::SocketAddress(config.relays[i].server_address,
+                                 config.relays[i].port),
+        protocol,
+        config.relays[i].secure));
+    relay_server.credentials = credentials;
+    port_config->AddRelay(relay_server);
+  }
+  ConfigReady(port_config);
+}
+
 }  // namespace content