Add a public content/ interface for intents. Use it.

chrome/browser/external_tab_container_win.h

Index: chrome/browser/external_tab_container_win.h
diff --git a/chrome/browser/external_tab_container_win.h b/chrome/browser/external_tab_container_win.h
index cdfa0da2647cf5439544b84bee7e2eb6a38700ba..4d84502c18f0c682796cdc926c60655109cac7dd 100644
--- a/chrome/browser/external_tab_container_win.h
+++ b/chrome/browser/external_tab_container_win.h
@@ -36,6 +36,10 @@ class TabContentsWrapper;
 class RenderViewContextMenuViews;
 struct NavigationInfo;
 
+namespace content {
+class IntentsHost;
+}
+
 namespace ui {
 class ViewProp;
 }
@@ -175,9 +179,7 @@ class ExternalTabContainer : public TabContentsDelegate,
                                      const string16& title,
                                      const string16& disposition) OVERRIDE;
   virtual void WebIntentDispatch(TabContents* tab,
-                                 int routing_id,
-                                 const webkit_glue::WebIntentData& intent,
-                                 int intent_id) OVERRIDE;
+                                 content::IntentsHost* intents_host) OVERRIDE;
   virtual void FindReply(TabContents* tab,
                          int request_id,
                          int number_of_matches,