Move guest lifetime management to chrome

chrome/browser/guest_view/ad_view/ad_view_guest.h

Index: chrome/browser/guest_view/ad_view/ad_view_guest.h
diff --git a/chrome/browser/guest_view/ad_view/ad_view_guest.h b/chrome/browser/guest_view/ad_view/ad_view_guest.h
index 02bbbf58afceb3bb55f56c230f8080d96e0e4a9b..65c77e533df53449268ad70a4e2e6960e7d947e6 100644
--- a/chrome/browser/guest_view/ad_view/ad_view_guest.h
+++ b/chrome/browser/guest_view/ad_view/ad_view_guest.h
@@ -7,7 +7,6 @@
 
 #include "base/values.h"
 #include "chrome/browser/guest_view/guest_view.h"
-#include "content/public/browser/web_contents_observer.h"
 
 // An AdViewGuest is a WebContentsObserver on the guest WebContents of a

[lazyboy, 2014/05/29 19:13:58]

Needs update.

[Fady Samuel, 2014/05/29 21:21:12]

Done.

 // <adview> tag. It provides the browser-side implementation of the <adview>
@@ -16,8 +15,7 @@
 // a particular embedder WebContents, we call this "attachment".
 // TODO(fsamuel): There might be an opportunity here to refactor and reuse code
 // between AdViewGuest and WebViewGuest.
-class AdViewGuest : public GuestView<AdViewGuest>,
-                    public content::WebContentsObserver {
+class AdViewGuest : public GuestView<AdViewGuest> {
  public:
   AdViewGuest(int guest_instance_id,
               content::WebContents* guest_web_contents,