Remove rendundant WebLocalFrame parameter in various plugin code.

components/plugins/renderer/loadable_plugin_placeholder.h

 // Copyright 2015 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 COMPONENTS_PLUGINS_RENDERER_LOADABLE_PLUGIN_PLACEHOLDER_H_
 #define COMPONENTS_PLUGINS_RENDERER_LOADABLE_PLUGIN_PLACEHOLDER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 31 matching lines @@
   // Defer loading of plugin, and instead show the Power Saver poster image.
   void BlockForPowerSaverPoster();
 
   // When we load the plugin, use this already-created plugin, not a new one.
   void SetPremadePlugin(content::PluginInstanceThrottler* throttler);
 
   void AllowLoading() { allow_loading_ = true; }
 
  protected:
   LoadablePluginPlaceholder(content::RenderFrame* render_frame,
-                            blink::WebLocalFrame* frame,
                             const blink::WebPluginParams& params,
                             const std::string& html_data);
-
   ~LoadablePluginPlaceholder() override;
 
   void MarkPluginEssential(
       content::PluginInstanceThrottler::PowerSaverUnthrottleMethod method);
 
   void OnLoadBlockedPlugins(const std::string& identifier);
   void OnSetIsPrerendering(bool is_prerendering);
 
   void SetMessage(const base::string16& message);
   void SetPluginInfo(const content::WebPluginInfo& plugin_info);
@@ skipping 74 matching lines @@
   gfx::Rect unobscured_rect_;
 
   base::WeakPtrFactory<LoadablePluginPlaceholder> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LoadablePluginPlaceholder);
 };
 
 }  // namespace plugins
 
 #endif  // COMPONENTS_PLUGINS_RENDERER_LOADABLE_PLUGIN_PLACEHOLDER_H_