[Extensions] Remove ExtensionFunction usage of RenderViewHost

extensions/browser/guest_view/web_view/web_view_guest.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_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 163 matching lines @@
   void DidAttachToEmbedder() final;
   void DidDropLink(const GURL& url) final;
   void DidInitialize(const base::DictionaryValue& create_params) final;
   void EmbedderFullscreenToggled(bool entered_fullscreen) final;
   void FindReply(content::WebContents* source,
                  int request_id,
                  int number_of_matches,
                  const gfx::Rect& selection_rect,
                  int active_match_ordinal,
                  bool final_update) final;
+  bool ZoomPropagatesFromEmbedderToGuest() const final;
   const char* GetAPINamespace() const final;
   int GetTaskPrefix() const final;
   void GuestDestroyed() final;
   void GuestReady() final;
   void GuestSizeChangedDueToAutoSize(const gfx::Size& old_size,
                                      const gfx::Size& new_size) final;
   void GuestViewDidStopLoading() final;
   void GuestZoomChanged(double old_zoom_level, double new_zoom_level) final;
   bool IsAutoSizeSupported() const final;
   void SetContextMenuPosition(const gfx::Point& position) final;
@@ skipping 176 matching lines @@
   // Determines if this guest accepts pinch-zoom gestures.
   bool allow_scaling_;
   bool is_guest_fullscreen_;
   bool is_embedder_fullscreen_;
   bool last_fullscreen_permission_was_allowed_by_embedder_;
 
   // Tracks whether the webview has a pending zoom from before the first
   // navigation. This will be equal to 0 when there is no pending zoom.
   double pending_zoom_factor_;
 
+  // Whether the GuestView set an explicit zoom level.
+  bool did_set_explicit_zoom_;
+
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_