GuestView: Move GuestViewManager extension dependencies to ExtensionsGuestViewManagerDelegate

chrome/browser/printing/print_view_manager_common.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 "chrome/browser/printing/print_view_manager_common.h"
 
 #if defined(ENABLE_EXTENSIONS)
 #include "extensions/browser/guest_view/guest_view_manager.h"
 #include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
 #endif  // defined(ENABLE_EXTENSIONS)
@@ skipping 19 matching lines @@
   }
   return false;
 }
 #endif  // defined(ENABLE_EXTENSIONS)
 
 // If we have a single full-page embedded mime handler view guest, print the
 // guest's WebContents instead.
 content::WebContents* GetWebContentsToUse(content::WebContents* contents) {
 #if defined(ENABLE_EXTENSIONS)
   extensions::GuestViewManager* guest_view_manager =
-      extensions::GuestViewManager::FromBrowserContextIfAvailable(
+      extensions::GuestViewManager::FromBrowserContext(
           contents->GetBrowserContext());
   if (guest_view_manager) {
     guest_view_manager->ForEachGuest(
         contents,
         base::Bind(&StoreFullPagePlugin, &contents));
   }
 #endif  // defined(ENABLE_EXTENSIONS)
   return contents;
 }
 
@@ skipping 30 matching lines @@
   PrintViewManager* print_view_manager =
       PrintViewManager::FromWebContents(GetWebContentsToUse(contents));
   if (!print_view_manager)
     return;
   print_view_manager->BasicPrint();
 #endif  // ENABLE_PRINT_PREVIEW
 }
 #endif  // ENABLE_BASIC_PRINTING
 
 }  // namespace printing