Revert of PlzNavigate: Enforce 'frame-src' CSP on the browser.

content/browser/frame_host/navigation_entry_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/navigation_entry_impl.h"
 
 #include <stddef.h>
 
 #include <queue>
 #include <utility>
@@ skipping 668 matching lines @@
   if (IsBrowserSideNavigationEnabled())
     method = frame_entry.method();
   else
     method = (post_body.get() || GetHasPostData()) ? "POST" : "GET";
 
   return CommonNavigationParams(
       dest_url, dest_referrer, GetTransitionType(), navigation_type,
       !IsViewSourceMode(), should_replace_entry(), ui_timestamp, report_type,
       GetBaseURLForDataURL(), GetHistoryURLForDataURL(), previews_state,
       navigation_start, method, post_body ? post_body : post_data_,
-      base::Optional<SourceLocation>(),
-      CSPDisposition::CHECK /* should_check_main_world_csp */);
+      base::Optional<SourceLocation>());
 }
 
 StartNavigationParams NavigationEntryImpl::ConstructStartNavigationParams()
     const {
   return StartNavigationParams(extra_headers(),
                                transferred_global_request_id().child_id,
                                transferred_global_request_id().request_id);
 }
 
 RequestNavigationParams NavigationEntryImpl::ConstructRequestNavigationParams(
@@ skipping 252 matching lines @@
       return node;
 
     // Enqueue any children and keep looking.
     for (const auto& child : node->children)
       work_queue.push(child.get());
   }
   return nullptr;
 }
 
 }  // namespace content