fix: correctly track receiver for methods called via ctx bridge (#39978)

* fix: correctly track receiver for methods called via ctx bridge

* spec: test for correct contextBridge passage

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Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

shell/renderer/api/electron_api_context_bridge.h

@@ -36,6 +36,14 @@ v8::MaybeLocal<v8::Value> PassValueToOtherContext(
     v8::Local<v8::Context> source_context,
     v8::Local<v8::Context> destination_context,
     v8::Local<v8::Value> value,
+    /**
+     * Used to automatically bind a function across
+     * worlds to its appropriate default "this" value.
+     *
+     * If this value is the root of a tree going over
+     * the bridge set this to the "context" of the value.
+     */
+    v8::Local<v8::Value> parent_value,
     context_bridge::ObjectCache* object_cache,
     bool support_dynamic_properties,
     int recursion_depth,