Remove redundant WebLocalFrame* parameter from DidClearWindowObject

components/plugins/renderer/webview_plugin.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/plugins/renderer/webview_plugin.h"
 
 #include <stddef.h>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 310 matching lines @@
   // lifecycle stages during later ones.
   if (plugin_->is_resizing_)
     return;
   if (plugin_->container_) {
     // This should never happen; see also crbug.com/545039 for context.
     DCHECK(!plugin_->is_painting_);
     plugin_->container_->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);
   v8::Local<v8::Object> global = context->Global();
 
   global->Set(gin::StringToV8(isolate, "plugin"),
               plugin_->delegate_->GetV8Handle(isolate));
 }
 
 void WebViewPlugin::OnZoomLevelChanged() {
@@ skipping 10 matching lines @@
   if (!delegate_)
     return;
 
   // The delegate may instantiate a new plugin.
   delegate_->OnUnobscuredRectUpdate(gfx::Rect(unobscured_rect));
   // The delegate may have dirtied style and layout of the WebView.
   // See for example the resizePoster function in plugin_poster.html.
   // Run the lifecycle now so that it is clean.
   web_view()->UpdateAllLifecyclePhases();
 }