Show OOM notification bar in all tabs sharing same render process

chrome/browser/tab_contents/tab_contents.cc

Index: chrome/browser/tab_contents/tab_contents.cc
diff --git a/chrome/browser/tab_contents/tab_contents.cc b/chrome/browser/tab_contents/tab_contents.cc
index 58871bb9ac8b0ed6b0ea512fe0b131dde8309374..2a88264ff426dc5f209bb88abc46388365eaeef2 100644
--- a/chrome/browser/tab_contents/tab_contents.cc
+++ b/chrome/browser/tab_contents/tab_contents.cc
@@ -372,7 +372,8 @@ TabContents::TabContents(Profile* profile,
       maximum_zoom_percent_(
           static_cast<int>(WebKit::WebView::maxTextSizeMultiplier * 100)),
       temporary_zoom_settings_(false),
-      content_restrictions_(0) {
+      content_restrictions_(0),
+      renderer_ran_out_of_memory_(false) {
   renderer_preferences_util::UpdateFromSystemSettings(
       &renderer_preferences_, profile);
 
@@ -2485,6 +2486,10 @@ void TabContents::RenderViewGone(RenderViewHost* rvh,
   for (int i = infobar_delegate_count() - 1; i >=0 ; --i)
     RemoveInfoBar(GetInfoBarDelegateAt(i));
 
+  // Restore OOM infobar.
+  if (renderer_ran_out_of_memory_)
+    OnJSOutOfMemory();
+
   // Tell the view that we've crashed so it can prepare the sad tab page.
   // Only do this if we're not in browser shutdown, so that TabContents
   // objects that are not in a browser (e.g., HTML dialogs) and thus are
@@ -3024,6 +3029,7 @@ void TabContents::OnIgnoredUIEvent() {
 }
 
 void TabContents::OnJSOutOfMemory() {
+  renderer_ran_out_of_memory_ = true;
   AddInfoBar(new SimpleAlertInfoBarDelegate(
                  this, l10n_util::GetStringUTF16(IDS_JS_OUT_OF_MEMORY_PROMPT),
                  NULL, true));
@@ -3215,6 +3221,8 @@ void TabContents::Observe(NotificationType type,
       NavigationController::LoadCommittedDetails& committed_details =
           *(Details<NavigationController::LoadCommittedDetails>(details).ptr());
       ExpireInfoBars(committed_details);
+
+      renderer_ran_out_of_memory_ = false;
       break;
     }