Revert of Fix Runtime.executionContextCreated for crafted iframes.

Source/core/inspector/PageRuntimeAgent.h

Index: Source/core/inspector/PageRuntimeAgent.h
diff --git a/Source/core/inspector/PageRuntimeAgent.h b/Source/core/inspector/PageRuntimeAgent.h
index e705cf7d877caf7cd03409798ca671f28a1b74d9..d67b383174b6ac2d4273efcc2f11e42af9045fc3 100644
--- a/Source/core/inspector/PageRuntimeAgent.h
+++ b/Source/core/inspector/PageRuntimeAgent.h
@@ -55,7 +55,6 @@
     virtual void run(ErrorString*) override;
 
     void didClearDocumentOfWindowObject(LocalFrame*);
-    void didCreateMainWorldContext(LocalFrame*, ScriptState*, SecurityOrigin*);
     void didCreateIsolatedContext(LocalFrame*, ScriptState*, SecurityOrigin*);
     void frameWindowDiscarded(LocalDOMWindow*);
 
@@ -65,8 +64,7 @@
     virtual InjectedScript injectedScriptForEval(ErrorString*, const int* executionContextId) override;
     virtual void muteConsole() override;
     virtual void unmuteConsole() override;
-    void registerMainWorldContext(LocalFrame*);
-    void reportExecutionContextsToFrontend();
+    void reportExecutionContextCreation();
 
     InspectorClient* m_client;
     RawPtrWillBeMember<Page> m_inspectedPage;