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 9ecc5522315d95b599707f472973f33989286c59..c463672a23f4f33cad11ea37998017ca846ee9cd 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 {
@@ -536,4 +536,3 @@ bool GpuProcessHost::LaunchGpuProcess() {
                             kLaunched, kGPUProcessLifetimeEvent_Max);
   return true;
 }
-