[iOS] Remove last private web dependency in BVC.

This CL removes the last (spurious) include of private web API in BVC,
and removes the DEPS exceptions for private web usage in ui/

Bug: 620489, 620147
Change-Id: I244c7af56e1ec58b9eadf37300b136715fe0d0bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2120572
Commit-Queue: Mark Cogan <marq@chromium.org>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Auto-Submit: Mark Cogan <marq@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753204}

ios/chrome/browser/ui/DEPS

 specific_include_rules = {
-  # TODO(crbug.com/620489): Remove these exceptions.
-  "^browser_view_controller\.mm$": [
-    "+ios/web/web_state/ui/crw_web_controller.h",
-  ],
-  "^browser_view_controller_unittest\.mm$": [
-    "+ios/web/web_state/ui/crw_web_controller.h",
-    "+ios/web/web_state/web_state_impl.h",
-  ],
-
-  # TODO(crbug.com/620147): Remove these exceptions.
-  "^open_in_controller\.mm$": [
-    "+ios/web/web_state/ui/crw_web_controller.h",
-  ],
-  "^open_in_controller_unittest\.mm$": [
-    "+ios/web/web_state/ui/crw_web_controller.h",
-  ],
-
   # web::HttpServer is deprecated in favor of net::EmbeddedTestServer.
   # TODO:(crbug.com/891834) Remove this exception.
   "browser_view_controller_egtest\.mm": [

ios/chrome/browser/ui/browser_view/browser_view_controller.mm

@@ -190,7 +190,6 @@
 #include "ios/web/public/web_client.h"
 #import "ios/web/public/web_state_delegate_bridge.h"
 #import "ios/web/public/web_state_observer_bridge.h"
-#import "ios/web/web_state/ui/crw_web_controller.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
@@ -2624,7 +2623,6 @@ NSString* const kBrowserViewControllerSnackbarCategory =
     OverscrollActionsTabHelper::FromWebState(webState)->SetDelegate(self);
   }
 
-  // Install the proper CRWWebController delegates.
   web_deprecated::SetSwipeRecognizerProvider(webState,
                                              self.sideSwipeController);
   webState->SetDelegate(_webStateDelegate.get());