Enable exporting SSLKEYLOGFILE on Android w/ command line arguments

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index 952964b1b79a7b16d32de582d06b4334a6b7086f..eda5dcaa41f661550a610ada1aa2cdd0f07a3f53 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -80,6 +80,9 @@
 #include "net/quic/crypto/crypto_protocol.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_utils.h"
+#if defined(USE_OPENSSL)
+#include "net/socket/ssl_client_socket_openssl.h"
+#endif
 #include "net/socket/tcp_client_socket.h"
 #include "net/spdy/spdy_session.h"
 #include "net/ssl/channel_id_service.h"
@@ -553,6 +556,16 @@ void IOThread::Init() {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
+  if (command_line.HasSwitch(switches::kSSLKeyLogFile)) {
+    std::string switch_value = command_line.GetSwitchValueNative(

[Bryan McQuade, 2015/10/14 00:38:54]

consider calling this ssl_key_log_file instead of switch_value.

[Zhongyi Shi, 2015/10/15 00:26:52]

Done.

+        switches::kSSLKeyLogFile);
+    #if defined(USE_OPENSSL)
+      net::SSLClientSocketOpenSSL::SetSslKeyLogFile(switch_value);
+    #else
+      DVLOG(1) << "Platform does not support openssl";
+    #endif
+  }
+
   DCHECK(!globals_);
   globals_ = new Globals;