Clean up CRWSessionController usage in TabTest and TabModelTest.

ios/chrome/browser/tabs/DEPS

Index: ios/chrome/browser/tabs/DEPS
diff --git a/ios/chrome/browser/tabs/DEPS b/ios/chrome/browser/tabs/DEPS
index 7420d55ef6274c04c1b1e522201ed643f796b671..8a3f4f2990bcd29422515c94252bf9db264de802 100644
--- a/ios/chrome/browser/tabs/DEPS
+++ b/ios/chrome/browser/tabs/DEPS
@@ -7,7 +7,6 @@ specific_include_rules = {
     "+ios/web/navigation/navigation_manager_impl.h",
   ],
   "^tab_unittest\.mm$": [
-    "+ios/web/navigation/crw_session_controller.h",
     "+ios/web/web_state/ui/crw_web_controller.h",
     "+ios/web/web_state/navigation_context_impl.h",
     "+ios/web/navigation/navigation_manager_impl.h",
@@ -16,12 +15,10 @@ specific_include_rules = {
 
   # TODO(crbug.com/620480): Remove tab.mm and tab_unittest.mm exceptions.
   "^tab_model\.mm$": [
-    "+ios/web/navigation/crw_session_certificate_policy_manager.h",
     "+ios/web/web_state/web_state_impl.h",
     "+ios/web/web_state/ui/crw_web_controller.h",
   ],
   "^tab_model_unittest\.mm$": [
-    "+ios/web/navigation/crw_session_controller.h",
     "+ios/web/web_state/ui/crw_web_controller.h",
     "+ios/web/web_state/web_state_impl.h",
     "+ios/web/navigation/navigation_manager_impl.h",