Entire DOMBrowser stack

chrome/browser/ui/browser.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 1273 matching lines @@
 }
 
 void Browser::Home(WindowOpenDisposition disposition) {
   UserMetrics::RecordAction(UserMetricsAction("Home"), profile_);
   OpenURL(GetHomePage(), GURL(), disposition, PageTransition::AUTO_BOOKMARK);
 }
 
 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))
     return;
 
   GURL url(WideToUTF8(location_bar->GetInputString()));
   browser::NavigateParams params(this, url, location_bar->GetPageTransition());
   params.disposition = open_disposition;
   // Use ADD_INHERIT_OPENER so that all pages opened by the omnibox at least
   // inherit the opener. In some cases the tabstrip will determine the group
@@ skipping 2565 matching lines @@
 
   for (UpdateMap::const_iterator i = scheduled_updates_.begin();
        i != scheduled_updates_.end(); ++i) {
     // Do not dereference |contents|, it may be out-of-date!
     const TabContents* contents = i->first;
     unsigned flags = i->second;
 
     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(
             GetSelectedTabContentsWrapper()->GetStatusText());
       }
 
       if (flags & (TabContents::INVALIDATE_TAB |
                    TabContents::INVALIDATE_TITLE)) {
 // TODO(pinkerton): Disable app-mode in the model until we implement it
 // on the Mac. Be sure to remove both ifdefs. http://crbug.com/13148
@@ skipping 306 matching lines @@
   window_->Close();
 }
 
 void Browser::TabDetachedAtImpl(TabContentsWrapper* contents, int index,
                                 DetachType type) {
   if (type == DETACH_TYPE_DETACH) {
     // Save the current location bar state, but only if the tab being detached
     // 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);
   }
 
   SetAsDelegate(contents, NULL);
   RemoveScheduledUpdatesFor(contents->tab_contents());
 
   if (find_bar_controller_.get() &&
       index == tab_handler_->GetTabStripModel()->selected_index()) {
@@ skipping 154 matching lines @@
     // The page transition below is only for the purpose of inserting the tab.
     browser->AddTab(view_source_contents, PageTransition::LINK);
   }
 
   if (profile_->HasSessionService()) {
     SessionService* session_service = profile_->GetSessionService();
     if (session_service)
       session_service->TabRestored(&view_source_contents->controller(), false);
   }
 }