This adds some plumbing for propagating the reason for a renderer's death

chrome/browser/gpu_process_host.cc

Index: chrome/browser/gpu_process_host.cc
diff --git a/chrome/browser/gpu_process_host.cc b/chrome/browser/gpu_process_host.cc
index 4f3958bb8715d477be6eac754d06cc5fb2758e0f..371e16db19c9c4de75237e2a487a856d10f561e9 100644
--- a/chrome/browser/gpu_process_host.cc
+++ b/chrome/browser/gpu_process_host.cc
@@ -475,12 +475,12 @@ void GpuProcessHost::OnChildDied() {
   BrowserChildProcessHost::OnChildDied();
 }
 
-void GpuProcessHost::OnProcessCrashed() {
+void GpuProcessHost::OnProcessCrashed(int exit_code) {
   if (++g_gpu_crash_count >= kGpuMaxCrashCount) {
     // The gpu process is too unstable to use. Disable it for current session.
     RenderViewHostDelegateHelper::set_gpu_enabled(false);
   }
-  BrowserChildProcessHost::OnProcessCrashed();
+  BrowserChildProcessHost::OnProcessCrashed(exit_code);
 }
 
 bool GpuProcessHost::CanLaunchGpuProcess() const {