Revert of Move core web_view code to extensions.

extensions/browser/api/extensions_api_client.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_EXTENSIONS_API_CLIENT_H_
 #define EXTENSIONS_BROWSER_API_EXTENSIONS_API_CLIENT_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
 #include "extensions/browser/api/storage/settings_namespace.h"
 
 class GURL;
 
 template <class T>
 class ObserverListThreadSafe;
 
 namespace content {
 class BrowserContext;
 }
 
 namespace device {
 class HidService;
 }
 
 namespace extensions {
 
 class AppViewGuestDelegate;
-class WebViewGuest;
-class WebViewGuestDelegate;
-class WebViewPermissionHelper;
-class WebViewPermissionHelperDelegate;
 class SettingsObserver;
 class SettingsStorageFactory;
 class ValueStoreCache;
 
 // Allows the embedder of the extensions module to customize its support for
 // API features. The embedder must create a single instance in the browser
 // process. Provides a default implementation that does nothing.
 class ExtensionsAPIClient {
  public:
   // Construction sets the single instance.
@@ skipping 29 matching lines @@
       content::BrowserContext* browser_context,
       int guest_instance_id,
       const std::string& guest_extension_id);
 
   // Creates the AppViewGuestDelegate.
   virtual AppViewGuestDelegate* CreateAppViewGuestDelegate() const;
 
   // Returns the HidService instance for this embedder.
   virtual device::HidService* GetHidService();
 
-  // Returns a delegate for some of WebViewGuest's behavior. The caller owns the
-  // returned WebViewGuestDelegate.
-  virtual WebViewGuestDelegate* CreateWebViewGuestDelegate (
-      WebViewGuest* web_view_guest) const;
-
-  // Returns a delegate for some of WebViewPermissionHelper's behavior. The
-  // caller owns the returned WebViewPermissionHelperDelegate.
-  virtual WebViewPermissionHelperDelegate*
-      CreateWebViewPermissionHelperDelegate (
-          WebViewPermissionHelper* web_view_permission_helper) const;
-
   virtual void RegisterGuestViewTypes() {}
 
   // NOTE: If this interface gains too many methods (perhaps more than 20) it
   // should be split into one interface per API.
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_EXTENSIONS_API_CLIENT_H_