DevTools: do not enable debugger for pages where script execution is prohibited

Source/core/inspector/PageDebuggerAgent.h

Index: Source/core/inspector/PageDebuggerAgent.h
diff --git a/Source/core/inspector/PageDebuggerAgent.h b/Source/core/inspector/PageDebuggerAgent.h
index 97db6f95e116958870901aab01f02059f4661d8d..9c41a26d02a4ed9bd0a6f2f4cf1d06b3a6856cfe 100644
--- a/Source/core/inspector/PageDebuggerAgent.h
+++ b/Source/core/inspector/PageDebuggerAgent.h
@@ -57,11 +57,11 @@ public:
     void didCommitLoadForLocalFrame(LocalFrame*) override;
 
 protected:
-    void enable() override;
+    bool enable() override;
     void disable() override;
 
 private:
-    void startListeningScriptDebugServer() override;
+    bool startListeningScriptDebugServer() override;
     void stopListeningScriptDebugServer() override;
     PageScriptDebugServer& scriptDebugServer() override;
     void muteConsole() override;