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 171d03f3c80d5c240b175dc25c259bcba1374631..7ad60ff0734df4efb0612acbed759d8781745042 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -158,6 +158,7 @@ class ResourceRequestBodyImpl;
 class ScreenOrientationDispatcher;
 class SharedWorkerRepository;
 class UserMediaClientImpl;
+struct CSPViolationParams;
 struct CommonNavigationParams;
 struct CustomContextMenuContext;
 struct FileChooserFileInfo;
@@ -896,6 +897,8 @@ class CONTENT_EXPORT RenderFrameImpl
                           const RequestNavigationParams& request_params,
                           bool has_stale_copy_in_cache,
                           int error_code);
+  void OnReportContentSecurityPolicyViolation(
+      const content::CSPViolationParams& violation_params);
   void OnGetSavableResourceLinks();
   void OnGetSerializedHtmlWithLocalLinks(
       const std::map<GURL, base::FilePath>& url_to_local_path,