Remove last usage functions from HostContentSettingsMap and clean up prefs

content/browser/frame_host/render_frame_host_impl.h

 // Copyright 2013 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 CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 776 matching lines @@
   // where it is applicable. This is a more conservative check than
   // RenderProcessHost::FilterURL, since it will be used to kill processes that
   // commit unauthorized origins.
   bool CanCommitOrigin(const url::Origin& origin, const GURL& url);
 
   // Asserts that the given RenderFrameHostImpl is part of the same browser
   // context (and crashes if not), then returns whether the given frame is
   // part of the same site instance.
   bool IsSameSiteInstance(RenderFrameHostImpl* other_render_frame_host);
 
-  // Informs the content client that geolocation permissions were used.
-  void DidUseGeolocationPermission();
-
   // Returns whether the current RenderProcessHost has read access to all the
   // files reported in |state|.
   bool CanAccessFilesOfPageState(const PageState& state);
 
   // Grants the current RenderProcessHost read access to any file listed in
   // |validated_state|.  It is important that the PageState has been validated
   // upon receipt from the renderer process to prevent it from forging access to
   // files without the user's consent.
   void GrantFileAccessFromPageState(const PageState& validated_state);
 
@@ skipping 346 matching lines @@
 
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_