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

third_party/WebKit/Source/core/loader/EmptyClients.h

Index: third_party/WebKit/Source/core/loader/EmptyClients.h
diff --git a/third_party/WebKit/Source/core/loader/EmptyClients.h b/third_party/WebKit/Source/core/loader/EmptyClients.h
index 1c6991f9de52406f490dc8d6e549e962f9560aee..d456b16b6b0eee8ccc46ce46c97ecffd3f585897 100644
--- a/third_party/WebKit/Source/core/loader/EmptyClients.h
+++ b/third_party/WebKit/Source/core/loader/EmptyClients.h
@@ -280,15 +280,13 @@
   void dispatchDidFinishLoad() override {}
   void dispatchDidChangeThemeColor() override {}
 
-  NavigationPolicy decidePolicyForNavigation(
-      const ResourceRequest&,
-      DocumentLoader*,
-      NavigationType,
-      NavigationPolicy,
-      bool,
-      bool,
-      HTMLFormElement*,
-      ContentSecurityPolicyDisposition) override;
+  NavigationPolicy decidePolicyForNavigation(const ResourceRequest&,
+                                             DocumentLoader*,
+                                             NavigationType,
+                                             NavigationPolicy,
+                                             bool,
+                                             bool,
+                                             HTMLFormElement*) override;
 
   void dispatchWillSendSubmitEvent(HTMLFormElement*) override;
   void dispatchWillSubmitForm(HTMLFormElement*) override;