GuestView: Move GuestViewManager extension dependencies to ExtensionsGuestViewManagerDelegate

extensions/browser/guest_view/guest_view_base.cc

Index: extensions/browser/guest_view/guest_view_base.cc
diff --git a/extensions/browser/guest_view/guest_view_base.cc b/extensions/browser/guest_view/guest_view_base.cc
index 134c3267a8d6e577c5c4cb30e446e81558d2f963..5a7cde60c8936602cbb555c265d228b55d7cb161 100644
--- a/extensions/browser/guest_view/guest_view_base.cc
+++ b/extensions/browser/guest_view/guest_view_base.cc
@@ -144,9 +144,10 @@ class GuestViewBase::OpenerLifetimeObserver : public WebContentsObserver {
 
 GuestViewBase::GuestViewBase(content::WebContents* owner_web_contents)
     : owner_web_contents_(owner_web_contents),
+      owner_host_(owner_web_contents->GetLastCommittedURL().host()),
       browser_context_(owner_web_contents->GetBrowserContext()),
       guest_instance_id_(
-          GuestViewManager::FromBrowserContextIfAvailable(browser_context_)->
+          GuestViewManager::FromBrowserContext(browser_context_)->
               GetNextInstanceID()),
       view_instance_id_(guestview::kInstanceIDNone),
       element_instance_id_(guestview::kInstanceIDNone),
@@ -165,8 +166,8 @@ void GuestViewBase::Init(const base::DictionaryValue& create_params,
     return;
   initialized_ = true;
 
-  if (!GuestViewManager::FromBrowserContextIfAvailable(browser_context_)->
-          IsGuestAvailableToContext(this, &owner_extension_id_)) {
+  if (!GuestViewManager::FromBrowserContext(browser_context_)->
+          IsGuestAvailableToContext(this)) {
     // The derived class did not create a WebContents so this class serves no
     // purpose. Let's self-destruct.
     delete this;
@@ -208,7 +209,7 @@ void GuestViewBase::InitWithWebContents(
   guest_web_contents->SetDelegate(this);
   webcontents_guestview_map.Get().insert(
       std::make_pair(guest_web_contents, this));
-  GuestViewManager::FromBrowserContextIfAvailable(browser_context_)->
+  GuestViewManager::FromBrowserContext(browser_context_)->
       AddGuest(guest_instance_id_, guest_web_contents);
 
   // Populate the view instance ID if we have it on creation.
@@ -331,7 +332,7 @@ GuestViewBase* GuestViewBase::From(int owner_process_id,
     return nullptr;
 
   content::WebContents* guest_web_contents =
-      GuestViewManager::FromBrowserContextIfAvailable(
+      GuestViewManager::FromBrowserContext(
           host->GetBrowserContext())->
               GetGuestByInstanceIDSafely(guest_instance_id, owner_process_id);
   if (!guest_web_contents)
@@ -370,8 +371,7 @@ bool GuestViewBase::ZoomPropagatesFromEmbedderToGuest() const {
 
 content::WebContents* GuestViewBase::CreateNewGuestWindow(
     const content::WebContents::CreateParams& create_params) {
-  auto guest_manager =
-      GuestViewManager::FromBrowserContextIfAvailable(browser_context());
+  auto guest_manager = GuestViewManager::FromBrowserContext(browser_context());
   return guest_manager->CreateGuestWithWebContentsParams(
       GetViewType(),
       owner_web_contents(),
@@ -399,8 +399,7 @@ void GuestViewBase::DidAttach(int guest_proxy_routing_id) {
 }
 
 void GuestViewBase::DidDetach() {
-  GuestViewManager::FromBrowserContextIfAvailable(browser_context_)->
-      DetachGuest(this);
+  GuestViewManager::FromBrowserContext(browser_context_)->DetachGuest(this);
   StopTrackingEmbedderZoomLevel();
   owner_web_contents()->Send(new GuestViewMsg_GuestDetached(
       element_instance_id_));
@@ -450,7 +449,7 @@ void GuestViewBase::Destroy() {
   guest_host_ = nullptr;
 
   webcontents_guestview_map.Get().erase(web_contents());
-  GuestViewManager::FromBrowserContextIfAvailable(browser_context_)->
+  GuestViewManager::FromBrowserContext(browser_context_)->
       RemoveGuest(guest_instance_id_);
   pending_events_.clear();
 
@@ -488,6 +487,7 @@ void GuestViewBase::WillAttach(content::WebContents* embedder_web_contents,
     owner_web_contents_ = embedder_web_contents;
     owner_contents_observer_.reset(
         new OwnerContentsObserver(this, embedder_web_contents));
+    owner_host_ = owner_web_contents_->GetLastCommittedURL().host();
   }
 
   // Start tracking the new embedder's zoom level.