Remove rendundant WebLocalFrame parameter in various plugin code.

components/plugins/renderer/plugin_placeholder.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/plugin_placeholder.h"
 
 #include "base/strings/string_util.h"
 #include "content/public/common/web_preferences.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "gin/object_template_builder.h"
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 #include "third_party/re2/src/re2/re2.h"
 
 namespace plugins {
 
 // The placeholder is loaded in normal web renderer processes, so it should not
 // have a chrome:// scheme that might let it be confused with a WebUI page.
 const char kPluginPlaceholderDataURL[] = "data:text/html,pluginplaceholderdata";
 
 PluginPlaceholderBase::PluginPlaceholderBase(
     content::RenderFrame* render_frame,
-    blink::WebLocalFrame* frame,
     const blink::WebPluginParams& params,
     const std::string& html_data)
     : content::RenderFrameObserver(render_frame),
-      frame_(frame),
       plugin_params_(params),
       plugin_(WebViewPlugin::Create(render_frame->GetRenderView(),
                                     this,
                                     render_frame
                                         ? render_frame->GetWebkitPreferences()
                                         : content::WebPreferences(),
                                     html_data,
                                     GURL(kPluginPlaceholderDataURL))),
       hidden_(false) {}
 
@@ skipping 67 matching lines @@
     }
   }
 }
 
 void PluginPlaceholderBase::HideCallback() {
   content::RenderThread::Get()->RecordAction(
       base::UserMetricsAction("Plugin_Hide_Click"));
   HidePlugin();
 }
 
-void PluginPlaceholderBase::OnDestruct() {
-  frame_ = NULL;
-}
-
-blink::WebLocalFrame* PluginPlaceholderBase::GetFrame() {
-  return frame_;
-}
+void PluginPlaceholderBase::OnDestruct() {}
 
 // static
 gin::WrapperInfo PluginPlaceholder::kWrapperInfo = {gin::kEmbedderNativeGin};
 
 PluginPlaceholder::PluginPlaceholder(content::RenderFrame* render_frame,
-                                     blink::WebLocalFrame* frame,
                                      const blink::WebPluginParams& params,
                                      const std::string& html_data)
-    : PluginPlaceholderBase(render_frame, frame, params, html_data) {
-}
+    : PluginPlaceholderBase(render_frame, params, html_data) {}
 
 PluginPlaceholder::~PluginPlaceholder() {
 }
 
 v8::Local<v8::Value> PluginPlaceholder::GetV8Handle(v8::Isolate* isolate) {
   return gin::CreateHandle(isolate, this).ToV8();
 }
 
 bool PluginPlaceholderBase::IsErrorPlaceholder() {
   return false;
 }
 
 gin::ObjectTemplateBuilder PluginPlaceholder::GetObjectTemplateBuilder(
     v8::Isolate* isolate) {
   return gin::Wrappable<PluginPlaceholder>::GetObjectTemplateBuilder(isolate)
       .SetMethod<void (plugins::PluginPlaceholder::*)()>(
           "hide", &PluginPlaceholder::HideCallback);
 }
 
 }  // namespace plugins