Show more different NaCl loading errors.

chrome/common/nacl_types.cc

Index: chrome/common/nacl_types.cc
===================================================================
--- chrome/common/nacl_types.cc	(revision 210749)
+++ chrome/common/nacl_types.cc	(working copy)
@@ -52,4 +52,29 @@
 NaClLaunchParams::~NaClLaunchParams() {
 }
 
+NaClLaunchResult::NaClLaunchResult()
+#if defined(OS_WIN)
+    : imc_channel_handle(-1),
+#else
+    : imc_channel_handle(),
+#endif
+      ipc_channel_handle(),
+      plugin_pid(base::kNullProcessId),
+      plugin_child_id(0) {
+}
+
+NaClLaunchResult::NaClLaunchResult(
+    FileDescriptor imc_channel_handle,
+    const IPC::ChannelHandle& ipc_channel_handle,
+    base::ProcessId plugin_pid,
+    int plugin_child_id)
+    : imc_channel_handle(imc_channel_handle),
+      ipc_channel_handle(ipc_channel_handle),
+      plugin_pid(plugin_pid),
+      plugin_child_id(plugin_child_id) {
+}
+
+NaClLaunchResult::~NaClLaunchResult() {
+}
+
 }  // namespace nacl