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

chrome/browser/zygote_main_linux.cc

Index: chrome/browser/zygote_main_linux.cc
diff --git a/chrome/browser/zygote_main_linux.cc b/chrome/browser/zygote_main_linux.cc
index 008d3a42fba7c960a2a380161286407a51551952..65091fd6646299dd568114f5cd2c9317e0eef3b6 100644
--- a/chrome/browser/zygote_main_linux.cc
+++ b/chrome/browser/zygote_main_linux.cc
@@ -167,10 +167,10 @@ class Zygote {
             break;
           HandleReapRequest(fd, pickle, iter);
           return false;
-        case ZygoteHost::kCmdDidProcessCrash:
+        case ZygoteHost::kCmdGetTerminationStatus:
           if (!fds.empty())
             break;
-          HandleDidProcessCrash(fd, pickle, iter);
+          HandleGetTerminationStatus(fd, pickle, iter);
           return false;
         case ZygoteHost::kCmdGetSandboxStatus:
           HandleGetSandboxStatus(fd, pickle, iter);
@@ -209,26 +209,31 @@ class Zygote {
     ProcessWatcher::EnsureProcessTerminated(actual_child);
   }
 
-  void HandleDidProcessCrash(int fd, const Pickle& pickle, void* iter) {
+  void HandleGetTerminationStatus(int fd, const Pickle& pickle, void* iter) {
     base::ProcessHandle child;
 
     if (!pickle.ReadInt(&iter, &child)) {
-      LOG(WARNING) << "Error parsing DidProcessCrash request from browser";
+      LOG(WARNING) << "Error parsing GetTerminationStatus request "
+                   << "from browser";
       return;
     }
 
-    bool child_exited;
-    bool did_crash;
+    base::TerminationStatus status;
+    int exit_code;
     if (g_suid_sandbox_active)
       child = real_pids_to_sandbox_pids[child];
-    if (child)
-      did_crash = base::DidProcessCrash(&child_exited, child);
-    else
-      did_crash = child_exited = false;
+    if (child) {
+      status = base::GetTerminationStatus(child, &exit_code);
+    } else {
+      // Assume that if we can't find the child in the sandbox, then
+      // it terminated normally.
+      status = base::TERMINATION_STATUS_NORMAL_TERMINATION;
+      exit_code = base::EXIT_CODE_NORMAL_TERMINATION;
+    }
 
     Pickle write_pickle;
-    write_pickle.WriteBool(did_crash);
-    write_pickle.WriteBool(child_exited);
+    write_pickle.WriteInt(static_cast<int>(status));
+    write_pickle.WriteInt(exit_code);
     if (HANDLE_EINTR(write(fd, write_pickle.data(), write_pickle.size())) !=
         write_pickle.size()) {
       PLOG(ERROR) << "write";