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

content/browser/frame_host/navigation_request.cc

 // Copyright 2014 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_request.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "content/browser/appcache/appcache_navigation_handle.h"
@@ skipping 379 matching lines @@
 void NavigationRequest::CreateNavigationHandle(int pending_nav_entry_id) {
   DCHECK_EQ(frame_tree_node_->navigation_request(), this);
   FrameTreeNode* frame_tree_node = frame_tree_node_;
 
   std::vector<GURL> redirect_chain;
   if (!begin_params_.client_side_redirect_url.is_empty())
     redirect_chain.push_back(begin_params_.client_side_redirect_url);
   redirect_chain.push_back(common_params_.url);
 
   std::unique_ptr<NavigationHandleImpl> navigation_handle =
-      NavigationHandleImpl::Create(common_params_.url, redirect_chain,
-                                   frame_tree_node_, !browser_initiated_,
-                                   FrameMsg_Navigate_Type::IsSameDocument(
-                                       common_params_.navigation_type),
-                                   common_params_.navigation_start,
-                                   pending_nav_entry_id,
-                                   false,  // started_in_context_menu
-                                   common_params_.should_check_main_world_csp);
+      NavigationHandleImpl::Create(
+          common_params_.url, redirect_chain, frame_tree_node_,
+          !browser_initiated_, FrameMsg_Navigate_Type::IsSameDocument(
+                                   common_params_.navigation_type),
+          common_params_.navigation_start, pending_nav_entry_id,
+          false);  // started_in_context_menu
 
   if (!frame_tree_node->navigation_request()) {
     // A callback could have cancelled this request synchronously in which case
     // |this| is deleted.
     return;
   }
 
   navigation_handle_ = std::move(navigation_handle);
 
   if (!begin_params_.searchable_form_url.is_empty()) {
@@ skipping 395 matching lines @@
   DCHECK_EQ(request_params_.has_user_gesture, begin_params_.has_user_gesture);
 
   render_frame_host->CommitNavigation(response_.get(), std::move(body_),
                                       common_params_, request_params_,
                                       is_view_source_);
 
   frame_tree_node_->ResetNavigationRequest(true);
 }
 
 }  // namespace content