Use std::default_delete as the default deleter for scoped_ptr.

content/browser/renderer_host/p2p/socket_host.cc

Index: content/browser/renderer_host/p2p/socket_host.cc
diff --git a/content/browser/renderer_host/p2p/socket_host.cc b/content/browser/renderer_host/p2p/socket_host.cc
index f2e76c3716354070daf1228228631e6d86e1fb2e..fefc4a5939b10f9465b7b1fd957ab8ff69126f75 100644
--- a/content/browser/renderer_host/p2p/socket_host.cc
+++ b/content/browser/renderer_host/p2p/socket_host.cc
@@ -638,14 +638,11 @@ void P2PSocketHost::DumpRtpPacket(const char* packet,
 
   // Posts to the IO thread as the data members should be accessed on the IO
   // thread only.
-  BrowserThread::PostTask(BrowserThread::IO,
-                          FROM_HERE,
-                          base::Bind(&P2PSocketHost::DumpRtpPacketOnIOThread,
-                                     weak_ptr_factory_.GetWeakPtr(),
-                                     Passed(&header_buffer),
-                                     header_length,
-                                     rtp_packet_length,
-                                     incoming));
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&P2PSocketHost::DumpRtpPacketOnIOThread,
+                 weak_ptr_factory_.GetWeakPtr(), base::Passed(&header_buffer),
+                 header_length, rtp_packet_length, incoming));
 }
 
 void P2PSocketHost::DumpRtpPacketOnIOThread(scoped_ptr<uint8[]> packet_header,
@@ -661,13 +658,10 @@ void P2PSocketHost::DumpRtpPacketOnIOThread(scoped_ptr<uint8[]> packet_header,
   }
 
   // |packet_dump_callback_| must be called on the UI thread.
-  BrowserThread::PostTask(BrowserThread::UI,
-                          FROM_HERE,
-                          base::Bind(packet_dump_callback_,
-                                     Passed(&packet_header),
-                                     header_length,
-                                     packet_length,
-                                     incoming));
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      base::Bind(packet_dump_callback_, base::Passed(&packet_header),
+                 header_length, packet_length, incoming));
 }
 
 void P2PSocketHost::IncrementDelayedPackets() {