NaCl: Fix Chromium style warnings in src/trusted/plugin/

ppapi/native_client/src/trusted/plugin/nacl_subprocess.cc

Index: ppapi/native_client/src/trusted/plugin/nacl_subprocess.cc
diff --git a/ppapi/native_client/src/trusted/plugin/nacl_subprocess.cc b/ppapi/native_client/src/trusted/plugin/nacl_subprocess.cc
index c9d68d7a0ca2ce87f8c83d35d5adba754cb7bdf6..b3ea6cba00db654b190674606b3a2f45baa393a7 100644
--- a/ppapi/native_client/src/trusted/plugin/nacl_subprocess.cc
+++ b/ppapi/native_client/src/trusted/plugin/nacl_subprocess.cc
@@ -12,6 +12,14 @@
 
 namespace plugin {
 
+NaClSubprocess::NaClSubprocess(const std::string& description,
+                               ServiceRuntime* service_runtime,
+                               SrpcClient* srpc_client)
+  : description_(description),
+    service_runtime_(service_runtime),
+    srpc_client_(srpc_client) {
+}
+
 std::string NaClSubprocess::detailed_description() const {
   std::stringstream ss;
   ss << description()