Entire DOMBrowser stack

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index b80ef61bdb366294efe5757bcd2844d918f83776..254c356e6576d079e0da0bd89a85e05b63688c6c 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -1291,6 +1291,9 @@ void Browser::Home(WindowOpenDisposition disposition) {
 void Browser::OpenCurrentURL() {
   UserMetrics::RecordAction(UserMetricsAction("LoadURL"), profile_);
   LocationBar* location_bar = window_->GetLocationBar();
+  if(!location_bar)
+    return;
+
   WindowOpenDisposition open_disposition =
       location_bar->GetWindowOpenDisposition();
   if (OpenInstant(open_disposition))
@@ -3876,9 +3879,11 @@ void Browser::ProcessPendingUIUpdates() {
     if (contents == GetSelectedTabContents()) {
       // Updates that only matter when the tab is selected go here.
 
-      if (flags & TabContents::INVALIDATE_PAGE_ACTIONS)
-        window()->GetLocationBar()->UpdatePageActions();
-
+      if (flags & TabContents::INVALIDATE_PAGE_ACTIONS) {
+        LocationBar* location_bar = window()->GetLocationBar();
+        if(location_bar)
+          location_bar->UpdatePageActions();
+      }
       // Updating the URL happens synchronously in ScheduleUIUpdate.
       if (flags & TabContents::INVALIDATE_LOAD && GetStatusBubble()) {
         GetStatusBubble()->SetStatus(
@@ -4205,8 +4210,11 @@ void Browser::TabDetachedAtImpl(TabContentsWrapper* contents, int index,
     // is the selected tab.  Because saving state can conditionally revert the
     // location bar, saving the current tab's location bar state to a
     // non-selected tab can corrupt both tabs.
-    if (contents == GetSelectedTabContentsWrapper())
-      window_->GetLocationBar()->SaveStateToContents(contents->tab_contents());
+    if (contents == GetSelectedTabContentsWrapper()) {
+      LocationBar* location_bar = window()->GetLocationBar();
+      if(location_bar)
+        location_bar->SaveStateToContents(contents->tab_contents());
+    }
 
     if (!tab_handler_->GetTabStripModel()->closing_all())
       SyncHistoryWithTabs(0);