Move the logic to retrieve the WebPluginContainer to LocalFrame and Node.

third_party/WebKit/Source/web/WebLocalFrameImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 52 matching lines @@
 struct WebAssociatedURLLoaderOptions;
 class WebAutofillClient;
 class WebDataSourceImpl;
 class WebDevToolsAgentImpl;
 class WebDevToolsFrontendImpl;
 class WebFrameClient;
 class WebInputMethodControllerImpl;
 class WebNode;
 class WebPerformance;
 class WebPlugin;
-class WebPluginContainerBase;
 class WebScriptExecutionCallback;
 class WebView;
 class WebViewBase;
 enum class WebFrameLoadType;
 struct FrameLoadRequest;
 struct WebContentSecurityPolicyViolation;
 struct WebPrintParams;
 
 template <typename T>
 class WebVector;
@@ skipping 260 matching lines @@
                                HTMLFrameOwnerElement*) override;
 
   void DidChangeContentsSize(const IntSize&);
 
   void CreateFrameView() override;
 
   static WebLocalFrameImpl* FromFrame(LocalFrame*);
   static WebLocalFrameImpl* FromFrame(LocalFrame&);
   static WebLocalFrameImpl* FromFrameOwnerElement(Element*);
 
-  // If the frame hosts a PluginDocument, this method returns the
-  // WebPluginContainerBase that hosts the plugin.
-  static WebPluginContainerBase* PluginContainerFromFrame(LocalFrame*);
-
-  // If the frame hosts a PluginDocument, this method returns the
-  // WebPluginContainerBase that hosts the plugin. If the provided node is a
-  // plugin, then it runs its WebPluginContainerBase. Otherwise, uses the
-  // currently focused element (if any).
-  static WebPluginContainerBase* CurrentPluginContainer(LocalFrame*,
-                                                        Node* = nullptr);
-
   WebViewBase* ViewImpl() const override;
 
   FrameView* GetFrameView() const override {
     return GetFrame() ? GetFrame()->View() : 0;
   }
 
   WebDevToolsAgentImpl* DevToolsAgentImpl() const override {
     return dev_tools_agent_.Get();
   }
 
@@ skipping 153 matching lines @@
 
 DEFINE_TYPE_CASTS(WebLocalFrameImpl,
                   WebFrame,
                   frame,
                   frame->IsWebLocalFrame(),
                   frame.IsWebLocalFrame());
 
 }  // namespace blink
 
 #endif