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 eeb50bda6ba08ad2e4dcec4fcf0bc6ab4d642974..1cdfe9e71a7bfb887786c15f347e680b85898b4e 100644
--- a/chrome/browser/gpu_process_host.cc
+++ b/chrome/browser/gpu_process_host.cc
@@ -463,9 +463,9 @@ void GpuProcessHost::OnChildDied() {
   BrowserChildProcessHost::OnChildDied();
 }
 
-void GpuProcessHost::OnProcessCrashed() {
+void GpuProcessHost::OnProcessCrashed(int exit_code) {
   // TODO(alokp): Update gpu process crash rate.
-  BrowserChildProcessHost::OnProcessCrashed();
+  BrowserChildProcessHost::OnProcessCrashed(exit_code);
 }
 
 bool GpuProcessHost::CanLaunchGpuProcess() const {
@@ -517,4 +517,3 @@ bool GpuProcessHost::LaunchGpuProcess() {
                             kLaunched, kGPUProcessLifetimeEvent_Max);
   return true;
 }
-