Move guest lifetime management to chrome

content/browser/browser_plugin/test_browser_plugin_guest_delegate.h

Index: content/browser/browser_plugin/test_browser_plugin_guest_delegate.h
diff --git a/content/browser/browser_plugin/test_browser_plugin_guest_delegate.h b/content/browser/browser_plugin/test_browser_plugin_guest_delegate.h
index 607e574f9aaaf61635f36578e9fb6b66f787f868..594f768cbf8ce18818586cc48824c8fd3c4c8011 100644
--- a/content/browser/browser_plugin/test_browser_plugin_guest_delegate.h
+++ b/content/browser/browser_plugin/test_browser_plugin_guest_delegate.h
@@ -8,6 +8,7 @@
 #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"
 
@@ -16,26 +17,34 @@ 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_;