Add a command line flag to disable infobars.

chrome/browser/external_tab_container.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_EXTERNAL_TAB_CONTAINER_H_
 #define CHROME_BROWSER_EXTERNAL_TAB_CONTAINER_H_
 
 #include <vector>
 #include <map>
 
@@ skipping 47 matching lines @@
   }
 
   bool Init(Profile* profile,
             HWND parent,
             const gfx::Rect& bounds,
             DWORD style,
             bool load_requests_via_automation,
             bool handle_top_level_requests,
             TabContents* existing_tab_contents,
             const GURL& initial_url,
-            const GURL& referrer);
+            const GURL& referrer,
+            bool infobars_enabled);
 
   // Unhook the keystroke listener and notify about the closing TabContents.
   // This function gets called from three places, which is fine.
   // 1. OnFinalMessage
   // 2. In the destructor.
   // 3. In AutomationProvider::CreateExternalTab
   void Uninitialize();
 
   // Used to reinitialize the automation channel and related information
   // for this container. Typically used when an ExternalTabContainer
@@ skipping 116 matching lines @@
 
   void set_pending(bool pending) {
     pending_ = pending;
   }
 
   // InfoBarContainer::Delegate overrides
   virtual void InfoBarSizeChanged(bool is_animating);
 
   virtual void TabContentsCreated(TabContents* new_contents);
 
+  virtual bool infobars_enabled();
+
  protected:
   // Overridden from views::WidgetWin:
   virtual LRESULT OnCreate(LPCREATESTRUCT create_struct);
   virtual void OnDestroy();
   virtual void OnFinalMessage(HWND window);
 
   bool InitNavigationInfo(IPC::NavigationInfo* nav_info,
                           NavigationType::Type nav_type,
                           int relative_offset);
   void Navigate(const GURL& url, const GURL& referrer);
@@ skipping 103 matching lines @@
   static ExternalTabContainer* innermost_tab_for_unload_event_;
 
   // Contains the list of URL requests which are pending waiting for an ack
   // from the external host.
   std::vector<PendingTopLevelNavigation> pending_open_url_requests_;
 
   // Set to true if the ExternalTabContainer instance is waiting for an ack
   // from the host.
   bool pending_;
 
+  // Set to true if the ExternalTabContainer if infobars should be enabled.
+  bool infobars_enabled_;
+
   DISALLOW_COPY_AND_ASSIGN(ExternalTabContainer);
 };
 
 #endif  // CHROME_BROWSER_EXTERNAL_TAB_CONTAINER_H_