InstantExtended: Nuke InstantOverlayController.

chrome/browser/history/DEPS

 include_rules = [
   # History is being made into a Browser Component, so we have these
   # basic rules followed by temporary exceptions.  Please don't
   # add to the list of exceptions!
   "-chrome/browser",
   "+chrome/browser/chrome_notification_types.h",
   "+chrome/browser/common",
   "+chrome/browser/favicon",
   "+chrome/browser/history",
 
@@ skipping 26 matching lines @@
   "!chrome/browser/signin/oauth2_token_service.h",
   "!chrome/browser/signin/profile_oauth2_token_service.h",
   "!chrome/browser/signin/profile_oauth2_token_service_factory.h",
   "!chrome/browser/signin/token_service_factory.h",
   "!chrome/browser/sync/profile_sync_service.h",
   "!chrome/browser/sync/profile_sync_service_factory.h",
   "!chrome/browser/ui/browser.h",
   "!chrome/browser/ui/browser_finder.h",
   "!chrome/browser/search_engines/template_url_id.h",
   "!chrome/browser/ui/profile_error_dialog.h",
-  "!chrome/browser/ui/search/instant_overlay.h",
   "!chrome/browser/ui/webui/ntp/most_visited_handler.h",
   "!chrome/browser/ui/webui/ntp/new_tab_ui.h",
 ]
 
 specific_include_rules = {
   # Browser tests, by definition, need access to the browser objects.
   '.*_(api|browser|)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",
   ]
 }