Remove rendundant WebLocalFrame parameter in various plugin code.

content/shell/test_runner/web_test_delegate.h

 // 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.
 
 #ifndef CONTENT_SHELL_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 #define CONTENT_SHELL_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 267 matching lines @@
   virtual void DispatchBeforeInstallPromptEvent(
       const std::vector<std::string>& event_platforms,
       const base::Callback<void(bool)>& callback) = 0;
 
   // Resolves the in-flight beforeinstallprompt event userChoice promise with a
   // platform of |platform|.
   virtual void ResolveBeforeInstallPromptPromise(
       const std::string& platform) = 0;
 
   virtual blink::WebPlugin* CreatePluginPlaceholder(
-      blink::WebLocalFrame* frame,
       const blink::WebPluginParams& params) = 0;
 
   virtual float GetDeviceScaleFactor() const = 0;
 
   // Run all pending idle tasks, and then run callback.
   virtual void RunIdleTasks(const base::Closure& callback) = 0;
 
   // Forces a text input state update for the client of WebFrameWidget
   // associated with |frame|.
   virtual void ForceTextInputStateUpdate(blink::WebFrame* frame) = 0;
 
   // PlzNavigate
   // Indicates if the navigation was initiated by the browser or renderer.
   virtual bool IsNavigationInitiatedByRenderer(
       const blink::WebURLRequest& request) = 0;
+
+ protected:
+  virtual ~WebTestDelegate() {}
 };
 
 }  // namespace test_runner
 
 #endif  // CONTENT_SHELL_TEST_RUNNER_WEB_TEST_DELEGATE_H_