Clean up Automation and Chrome Frame IPC code.

chrome/browser/external_tab_container_win.h

Index: chrome/browser/external_tab_container_win.h
===================================================================
--- chrome/browser/external_tab_container_win.h	(revision 69966)
+++ chrome/browser/external_tab_container_win.h	(working copy)
@@ -29,15 +29,12 @@
 class Profile;
 class TabContentsContainer;
 class RenderViewContextMenuViews;
+struct NavigationInfo;
 
 namespace app {
 class ViewProp;
 }
 
-namespace IPC {
-struct NavigationInfo;
-}
-
 // This class serves as the container window for an external tab.
 // An external tab is a Chrome tab that is meant to displayed in an
 // external process. This class provides the FocusManger needed by the
@@ -225,7 +222,7 @@
   virtual void OnDestroy();
   virtual void OnFinalMessage(HWND window);
 
-  bool InitNavigationInfo(IPC::NavigationInfo* nav_info,
+  bool InitNavigationInfo(NavigationInfo* nav_info,
                           NavigationType::Type nav_type,
                           int relative_offset);
   void Navigate(const GURL& url, const GURL& referrer);