Wire up process launch error codes.

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 2594 matching lines @@
   }
 
 #if defined(ENABLE_WEBRTC)
   if (WebRTCInternals::GetInstance()->IsAudioDebugRecordingsEnabled()) {
     EnableAudioDebugRecordings(
         WebRTCInternals::GetInstance()->GetAudioDebugRecordingsFilePath());
   }
 #endif
 }
 
-void RenderProcessHostImpl::OnProcessLaunchFailed() {
+void RenderProcessHostImpl::OnProcessLaunchFailed(int error_code) {
   // If this object will be destructed soon, then observers have already been
   // sent a RenderProcessHostDestroyed notification, and we must observe our
   // contract that says that will be the last call.
   if (deleting_soon_)
     return;
 
-  // TODO(wfh): Fill in the real error code here see crbug.com/526198.
-  RendererClosedDetails details{base::TERMINATION_STATUS_LAUNCH_FAILED, -1};
+  RendererClosedDetails details{base::TERMINATION_STATUS_LAUNCH_FAILED,
+                                error_code};
   ProcessDied(true, &details);
 }
 
 scoped_refptr<AudioRendererHost> RenderProcessHostImpl::audio_renderer_host()
     const {
   return audio_renderer_host_;
 }
 
 void RenderProcessHostImpl::OnUserMetricsRecordAction(
     const std::string& action) {
@@ skipping 162 matching lines @@
 
     // Skip widgets in other processes.
     if (rvh->GetProcess()->GetID() != GetID())
       continue;
 
     rvh->OnWebkitPreferencesChanged();
   }
 }
 
 }  // namespace content