Switch CaptivePortalTabHelper to use WebContentsUserData.

chrome/browser/ui/tab_contents/tab_contents.h

Index: chrome/browser/ui/tab_contents/tab_contents.h
diff --git a/chrome/browser/ui/tab_contents/tab_contents.h b/chrome/browser/ui/tab_contents/tab_contents.h
index 2c9c4194a5e737541539ef5e87733b617af4b365..3f4595288a80dbb3b26b2379d0bf50cb50d182cb 100644
--- a/chrome/browser/ui/tab_contents/tab_contents.h
+++ b/chrome/browser/ui/tab_contents/tab_contents.h
@@ -75,10 +75,6 @@ namespace browser_sync {
 class SyncedTabDelegate;
 }
 
-namespace captive_portal {
-class CaptivePortalTabHelper;
-}
-
 namespace chrome {
 namespace search {
 class SearchTabHelper;
@@ -209,12 +205,6 @@ class TabContents : public content::WebContentsObserver {
     return bookmark_tab_helper_.get();
   }
 
-#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
-  captive_portal::CaptivePortalTabHelper* captive_portal_tab_helper() {
-    return captive_portal_tab_helper_.get();
-  }
-#endif
-
   ConstrainedWindowTabHelper* constrained_window_tab_helper() {
     return constrained_window_tab_helper_.get();
   }
@@ -308,9 +298,6 @@ class TabContents : public content::WebContentsObserver {
   scoped_ptr<AutomationTabHelper> automation_tab_helper_;
   scoped_ptr<BlockedContentTabHelper> blocked_content_tab_helper_;
   scoped_ptr<BookmarkTabHelper> bookmark_tab_helper_;
-#if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
-  scoped_ptr<captive_portal::CaptivePortalTabHelper> captive_portal_tab_helper_;
-#endif
   scoped_ptr<ConstrainedWindowTabHelper> constrained_window_tab_helper_;
   scoped_ptr<CoreTabHelper> core_tab_helper_;
   scoped_ptr<FaviconTabHelper> favicon_tab_helper_;