Add missing (and remove superfluous) 'explicit' from constructors.

content/browser/renderer_host/p2p/socket_host_test_utils.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TEST_UTILS_H_
 #define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TEST_UTILS_H_
 
 #include <vector>
 
 #include "base/sys_byteorder.h"
@@ skipping 28 matching lines @@
   virtual ~MockIPCSender();
 
   MOCK_METHOD1(Send, bool(IPC::Message* msg));
 };
 
 MockIPCSender::MockIPCSender() { }
 MockIPCSender::~MockIPCSender() { }
 
 class FakeSocket : public net::StreamSocket {
  public:
-  FakeSocket(std::string* written_data);
+  explicit FakeSocket(std::string* written_data);
   virtual ~FakeSocket();
 
   void AppendInputData(const char* data, int data_size);
   int input_pos() const { return input_pos_; }
   bool read_pending() const { return read_pending_; }
   void SetPeerAddress(const net::IPEndPoint& peer_address);
   void SetLocalAddress(const net::IPEndPoint& local_address);
 
   // net::Socket implementation.
   virtual int Read(net::IOBuffer* buf, int buf_len,
@@ skipping 228 matching lines @@
     return false;
   P2PMsg_OnIncomingTcpConnection::Param params;
   P2PMsg_OnIncomingTcpConnection::Read(
       arg, &params);
   return params.b == address;
 }
 
 }  // namespace
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TEST_UTILS_H_