Remove rendundant WebLocalFrame parameter in various plugin code.

content/shell/renderer/layout_test/blink_test_runner.cc

 // Copyright (c) 2012 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 "content/shell/renderer/layout_test/blink_test_runner.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <clocale>
@@ skipping 730 matching lines @@
 
 void BlinkTestRunner::ResolveBeforeInstallPromptPromise(
     const std::string& platform) {
   if (app_banner_service_) {
     app_banner_service_->ResolvePromise(platform);
     app_banner_service_.reset(nullptr);
   }
 }
 
 blink::WebPlugin* BlinkTestRunner::CreatePluginPlaceholder(
-    blink::WebLocalFrame* frame, const blink::WebPluginParams& params) {
+    const blink::WebPluginParams& params) {
   if (params.mime_type != "application/x-plugin-placeholder-test")
     return nullptr;
 
-  plugins::PluginPlaceholder* placeholder =
-      new plugins::PluginPlaceholder(render_view()->GetMainRenderFrame(), frame,
-                                     params, "<div>Test content</div>");
+  plugins::PluginPlaceholder* placeholder = new plugins::PluginPlaceholder(
+      render_view()->GetMainRenderFrame(), params, "<div>Test content</div>");
   return placeholder->plugin();
 }
 
 float BlinkTestRunner::GetDeviceScaleFactor() const {
   return render_view()->GetDeviceScaleFactor();
 }
 
 void BlinkTestRunner::RunIdleTasks(const base::Closure& callback) {
     SchedulerRunIdleTasks(callback);
 }
@@ skipping 295 matching lines @@
 void BlinkTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 void BlinkTestRunner::OnDestruct() {
   delete this;
 }
 
 }  // namespace content