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

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index ed5e0d005e4ddf5f3da6f19de0f0dce0c79846ab..54f3814eab00843467c695cb04a466a07ab98737 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -155,6 +155,7 @@ class ResourceRequestBodyImpl;
 class ScreenOrientationDispatcher;
 class SharedWorkerRepository;
 class UserMediaClientImpl;
+struct CSPViolationParams;
 struct CommonNavigationParams;
 struct CustomContextMenuContext;
 struct FileChooserFileInfo;
@@ -893,6 +894,8 @@ class CONTENT_EXPORT RenderFrameImpl
                           const RequestNavigationParams& request_params,
                           bool has_stale_copy_in_cache,
                           int error_code);
+  void OnContentSecurityPolicyViolation(
+      const content::CSPViolationParams& violation_params);
   void OnGetSavableResourceLinks();
   void OnGetSerializedHtmlWithLocalLinks(
       const std::map<GURL, base::FilePath>& url_to_local_path,