1 files changed, 13 insertions, 0 deletions
diff --git a/chrome/renderer/renderer_webkitclient_impl.cc b/chrome/renderer/renderer_webkitclient_impl.cc
index 3907b53..2a2ae60 100644
--- a/chrome/renderer/renderer_webkitclient_impl.cc
+++ b/chrome/renderer/renderer_webkitclient_impl.cc
@@ -132,6 +132,19 @@ WebString RendererWebKitClientImpl::defaultLocale() {
 }
 
 void RendererWebKitClientImpl::suddenTerminationChanged(bool enabled) {
+  if (enabled) {
+    // We should not get more enables than disables, but we want it to be a
+    // non-fatal error if it does happen.
+    DCHECK_GT(sudden_termination_disables_, 0);
+    sudden_termination_disables_ = std::max(--sudden_termination_disables_, 0);
+    if (sudden_termination_disables_ != 0)
+      return;
+  } else {
+    sudden_termination_disables_++;
+    if (sudden_termination_disables_ != 1)
+      return;
+  }
+
   RenderThread* thread = RenderThread::current();
   if (thread)  // NULL in unittests.
     thread->Send(new ViewHostMsg_SuddenTerminationChanged(enabled));