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

content/browser/frame_host/interstitial_page_navigator_impl.cc

Index: content/browser/frame_host/interstitial_page_navigator_impl.cc
diff --git a/content/browser/frame_host/interstitial_page_navigator_impl.cc b/content/browser/frame_host/interstitial_page_navigator_impl.cc
index 7793a6e48e0fd71160eba3042878d73412d6a9bc..4e41462dfaa4b8bc0951ecad2b075d57c3d8754b 100644
--- a/content/browser/frame_host/interstitial_page_navigator_impl.cc
+++ b/content/browser/frame_host/interstitial_page_navigator_impl.cc
@@ -34,15 +34,15 @@ void InterstitialPageNavigatorImpl::DidStartProvisionalLoad(
     const base::TimeTicks& navigation_start) {
   // The interstitial page should only navigate once.
   DCHECK(!render_frame_host->navigation_handle());
-  render_frame_host->SetNavigationHandle(
-      NavigationHandleImpl::Create(url, redirect_chain,
-                                   render_frame_host->frame_tree_node(),
-                                   false,  // is_renderer_initiated
-                                   false,  // is_synchronous
-                                   navigation_start,
-                                   0,      // pending_nav_entry_id
-                                   false)  // started_in_context_menu
-      );
+  render_frame_host->SetNavigationHandle(NavigationHandleImpl::Create(
+      url, redirect_chain, render_frame_host->frame_tree_node(),
+      false,                /* is_renderer_initiated */
+      false,                /* is_synchronous */
+      navigation_start,     /* navigation_state */
+      0,                    /* pending_nav_entry_id */
+      false,                /* started_in_context_menu */
+      CSPDisposition::CHECK /* should_check_main_world_csp */
+      ));
 }
 
 void InterstitialPageNavigatorImpl::DidNavigate(