Simplify geolocation permission request in the Content API.

content/public/browser/geolocation_permission_context.h

-// Copyright (c) 2012 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_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_H_
-#define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_H_
-
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "content/common/content_export.h"
-
-class GURL;
-
-namespace content {
-class WebContents;
-
-// GeolocationPermissionContext must be implemented by the embedder, to provide
-// the policy and logic for the Geolocation permissions flow.
-// This includes both prompting the user and persisting results, as required.
-class CONTENT_EXPORT GeolocationPermissionContext
-    : public base::RefCountedThreadSafe<GeolocationPermissionContext> {
- public:
-  // The renderer is requesting permission to use Geolocation.
-  // When the answer to a permission request has been determined, |callback|
-  // should be called with the result.
-  virtual void RequestGeolocationPermission(
-      WebContents* web_contents,
-      int bridge_id,
-      const GURL& requesting_frame,
-      bool user_gesture,
-      base::Callback<void(bool)> callback) = 0;
-
-  // The renderer is cancelling a pending permission request.
-  virtual void CancelGeolocationPermissionRequest(
-      WebContents* web_contents,
-      int bridge_id,
-      const GURL& requesting_frame) = 0;
-
- protected:
-   virtual ~GeolocationPermissionContext() {}
-
- private:
-  friend class base::RefCountedThreadSafe<GeolocationPermissionContext>;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_H_