Remove two functions on WebContentsDelegate which didn't belong in content. They were only called f…

chrome/browser/history/DEPS

 include_rules = [
   # History is being made into a Browser Component, so we have these
   # three basic rules followed by temporary exceptions.  Please don't
   # add to the list of exceptions!
   "-chrome/browser",
   "+chrome/browser/api",
   "+chrome/browser/common",
   "+chrome/browser/history",
 
   # TODO(erikwright): Bring this list to zero.
@@ skipping 11 matching lines @@
   "!chrome/browser/bookmarks/bookmark_model.h",
   "!chrome/browser/bookmarks/bookmark_model_factory.h",
   "!chrome/browser/browser_process.h",
   "!chrome/browser/chromeos/login/existing_user_controller.h",
   "!chrome/browser/diagnostics/sqlite_diagnostics.h",
   "!chrome/browser/extensions/event_router.h",
   "!chrome/browser/extensions/extension_function.h",
   "!chrome/browser/favicon/favicon_service.h",
   "!chrome/browser/prefs/pref_service.h",
   "!chrome/browser/prefs/scoped_user_pref_update.h",
+  "!chrome/browser/prerender/prerender_manager.h",
+  "!chrome/browser/prerender/prerender_manager_factory.h",
   "!chrome/browser/profiles/profile.h",
   "!chrome/browser/profiles/profile_dependency_manager.h",
   "!chrome/browser/profiles/profile_manager.h",
   "!chrome/browser/profiles/refcounted_profile_keyed_service.h",
   "!chrome/browser/profiles/refcounted_profile_keyed_service_factory.h",
+  "!chrome/browser/ui/browser.h",
+  "!chrome/browser/ui/browser_finder.h",
   "!chrome/browser/ui/profile_error_dialog.h",
   "!chrome/browser/ui/webui/ntp/most_visited_handler.h",
   "!chrome/browser/ui/webui/ntp/new_tab_ui.h",
   "!chrome/browser/visitedlink/visitedlink_master.h",
 ]
 
 specific_include_rules = {
   # Browser tests, by definition, need access to the browser objects.
   '.*_(api|browser|extension_)test\.cc': [
     "+chrome/browser",
   ],
   # TODO(erikwright): Bring this list to zero.
   #
   # Do not add to the list of temporarily-allowed dependencies below,
   # and please do not introduce more #includes of these files.
   '.*_[a-z]*test\.cc': [
     "!chrome/browser/bookmarks/bookmark_utils.h",
   ]
 }