Remove redundant WebLocalFrame* parameter from DidClearWindowObject

components/plugins/renderer/webview_plugin.cc

Index: components/plugins/renderer/webview_plugin.cc
diff --git a/components/plugins/renderer/webview_plugin.cc b/components/plugins/renderer/webview_plugin.cc
index fd001151967372f39a62f27683e3238b40eb28cf..bb9eecff628892a020511304c3f55d31cca64c38 100644
--- a/components/plugins/renderer/webview_plugin.cc
+++ b/components/plugins/renderer/webview_plugin.cc
@@ -328,14 +328,14 @@ void WebViewPlugin::WebViewHelper::ScheduleAnimation() {
   }
 }
 
-void WebViewPlugin::WebViewHelper::DidClearWindowObject(WebLocalFrame* frame) {
-  DCHECK_EQ(frame, web_view_->MainFrame());
+void WebViewPlugin::WebViewHelper::DidClearWindowObject() {
   if (!plugin_->delegate_)
     return;
 
   v8::Isolate* isolate = blink::MainThreadIsolate();
   v8::HandleScope handle_scope(isolate);
-  v8::Local<v8::Context> context = frame->MainWorldScriptContext();
+  v8::Local<v8::Context> context =
+      web_view_->MainFrame()->MainWorldScriptContext();
   DCHECK(!context.IsEmpty());
 
   v8::Context::Scope context_scope(context);