BrowserPlugin: Move CreateGuest to chrome

chrome/browser/guest_view/guest_view_base.cc

Index: chrome/browser/guest_view/guest_view_base.cc
diff --git a/chrome/browser/guest_view/guest_view_base.cc b/chrome/browser/guest_view/guest_view_base.cc
index a9bcbbf24b12fbcaee9cc61cd09e68d588c30492..288760855b5e064f67b123216310f84d2ddbbd15 100644
--- a/chrome/browser/guest_view/guest_view_base.cc
+++ b/chrome/browser/guest_view/guest_view_base.cc
@@ -53,6 +53,8 @@ GuestViewBase::GuestViewBase(WebContents* guest_web_contents,
       weak_ptr_factory_(this) {
   webcontents_guestview_map.Get().insert(
       std::make_pair(guest_web_contents, this));
+  GuestViewManager::FromBrowserContext(browser_context_)->
+      AddGuest(guest_instance_id_, guest_web_contents);
 }
 
 // static
@@ -185,6 +187,9 @@ GuestViewBase::~GuestViewBase() {
 
   webcontents_guestview_map.Get().erase(guest_web_contents());
 
+  GuestViewManager::FromBrowserContext(browser_context_)->
+      RemoveGuest(guest_instance_id_);
+
   pending_events_.clear();
 }