GuestView: Show status bubbles in browser

extensions/browser/guest_view/guest_view_manager.cc

 // 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.
 
 #include "extensions/browser/guest_view/guest_view_manager.h"
 
 #include "base/strings/stringprintf.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 18 matching lines @@
 
 // static
 GuestViewManagerFactory* GuestViewManager::factory_ = nullptr;
 
 GuestViewManager::GuestViewManager(content::BrowserContext* context)
     : current_instance_id_(0), last_instance_id_removed_(0), context_(context) {
 }
 
 GuestViewManager::~GuestViewManager() {}
 
-// static.
+// static
 GuestViewManager* GuestViewManager::FromBrowserContext(
     BrowserContext* context) {
   GuestViewManager* guest_manager =
       static_cast<GuestViewManager*>(context->GetUserData(
           guestview::kGuestViewManagerKeyName));
   if (!guest_manager) {
     if (factory_) {
       guest_manager = factory_->CreateGuestViewManager(context);
     } else {
       guest_manager = new GuestViewManager(context);
     }
     context->SetUserData(guestview::kGuestViewManagerKeyName, guest_manager);
   }
   return guest_manager;
 }
 
+// static
+GuestViewManager* GuestViewManager::FromBrowserContextIfAvailable(
+    BrowserContext* context) {
+  return static_cast<GuestViewManager*>(context->GetUserData(
+      guestview::kGuestViewManagerKeyName));
+}
+
 content::WebContents* GuestViewManager::GetGuestByInstanceIDSafely(
     int guest_instance_id,
     int embedder_render_process_id) {
   if (!CanEmbedderAccessInstanceIDMaybeKill(embedder_render_process_id,
                                             guest_instance_id)) {
     return nullptr;
   }
   return GetGuestByInstanceID(guest_instance_id);
 }
 
@@ skipping 234 matching lines @@
 
   auto guest_view = GuestViewBase::FromWebContents(it->second);
   if (!guest_view)
     return false;
 
   return embedder_render_process_id ==
       guest_view->owner_web_contents()->GetRenderProcessHost()->GetID();
 }
 
 }  // namespace extensions