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

content/browser/frame_host/navigation_handle_impl.cc

Index: content/browser/frame_host/navigation_handle_impl.cc
diff --git a/content/browser/frame_host/navigation_handle_impl.cc b/content/browser/frame_host/navigation_handle_impl.cc
index c962652f92223f1255fdbc602838e11ff41adb4a..0460226a9263c52dff90a537a210a5d9073aca1a 100644
--- a/content/browser/frame_host/navigation_handle_impl.cc
+++ b/content/browser/frame_host/navigation_handle_impl.cc
@@ -64,12 +64,11 @@
     bool is_same_page,
     const base::TimeTicks& navigation_start,
     int pending_nav_entry_id,
-    bool started_from_context_menu,
-    CSPDisposition should_check_main_world_csp) {
+    bool started_from_context_menu) {
   return std::unique_ptr<NavigationHandleImpl>(new NavigationHandleImpl(
       url, redirect_chain, frame_tree_node, is_renderer_initiated, is_same_page,
-      navigation_start, pending_nav_entry_id, started_from_context_menu,
-      should_check_main_world_csp));
+      navigation_start, pending_nav_entry_id,
+      started_from_context_menu));
 }
 
 NavigationHandleImpl::NavigationHandleImpl(
@@ -80,8 +79,7 @@
     bool is_same_page,
     const base::TimeTicks& navigation_start,
     int pending_nav_entry_id,
-    bool started_from_context_menu,
-    CSPDisposition should_check_main_world_csp)
+    bool started_from_context_menu)
     : url_(url),
       has_user_gesture_(false),
       transition_(ui::PAGE_TRANSITION_LINK),
@@ -112,7 +110,6 @@
       reload_type_(ReloadType::NONE),
       restore_type_(RestoreType::NONE),
       navigation_type_(NAVIGATION_TYPE_UNKNOWN),
-      should_check_main_world_csp_(should_check_main_world_csp),
       weak_factory_(this) {
   DCHECK(!navigation_start.is_null());
   if (redirect_chain_.empty())