Move guest lifetime management to chrome

content/browser/browser_plugin/test_browser_plugin_guest_delegate.h

 // Copyright 2014 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_BROWSER_BROWSER_PLUGIN_TEST_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 #define CONTENT_BROWSER_BROWSER_PLUGIN_TEST_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 
 #include "content/public/browser/browser_plugin_guest_delegate.h"
 
 #include "base/callback.h"
+#include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/page_transition_types.h"
 #include "url/gurl.h"
 
 namespace content {
 
 class BrowserPluginGuest;
 struct Referrer;
 
-class TestBrowserPluginGuestDelegate : public BrowserPluginGuestDelegate {
+class TestBrowserPluginGuestDelegate : public BrowserPluginGuestDelegate,
+                                       public WebContentsObserver {
  public:
   explicit TestBrowserPluginGuestDelegate(BrowserPluginGuest* guest);
   virtual ~TestBrowserPluginGuestDelegate();
 
-  void ResetStates();
+  WebContents* GetEmbedderWebContents() const;
 
  private:
+  class EmbedderWebContentsObserver;
+
   void LoadURLWithParams(const GURL& url,
                          const Referrer& referrer,
                          PageTransition transition_type,
                          WebContents* web_contents);
 
+  // WebContentsObserver implementation.
+  virtual void WebContentsDestroyed() OVERRIDE;
+
   // Overridden from BrowserPluginGuestDelegate:
+  virtual void DidAttach() OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual void NavigateGuest(const std::string& src) OVERRIDE;
   virtual void RegisterDestructionCallback(
       const DestructionCallback& callback) OVERRIDE;
 
   BrowserPluginGuest* guest_;
+  scoped_ptr<EmbedderWebContentsObserver> embedder_web_contents_observer_;
 
   DestructionCallback destruction_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(TestBrowserPluginGuestDelegate);
 };
 
 }  // namespace content
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_TEST_BROWSER_PLUGIN_GUEST_DELEGATE_H_