Limit the amount the Location Settings Dialog will be shown to users.

chrome/browser/permissions/permission_context_base.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 CHROME_BROWSER_PERMISSIONS_PERMISSION_CONTEXT_BASE_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_CONTEXT_BASE_H_
 
 #include <memory>
 #include <unordered_map>
 
@@ skipping 176 matching lines @@
   // Browsing. |permission_blocked| determines whether to auto-block the
   // permission request without prompting the user for a decision.
   void ContinueRequestPermission(content::WebContents* web_contents,
                                  const PermissionRequestID& id,
                                  const GURL& requesting_origin,
                                  const GURL& embedding_origin,
                                  bool user_gesture,
                                  const BrowserPermissionCallback& callback,
                                  bool permission_blocked);
 
+  // Called when the user has made a permission decision. This is a hook for
+  // descendent classes to do appropriate things they might need to do when this
+  // happens.
+  virtual void UserMadePermissionDecision(const PermissionRequestID& id,
+                                          const GURL& requesting_origin,
+                                          const GURL& embedding_origin,
+                                          ContentSetting content_setting);
+
   Profile* profile_;
   const ContentSettingsType content_settings_type_;
 #if defined(OS_ANDROID)
   std::unique_ptr<PermissionQueueController> permission_queue_controller_;
 #endif
   std::unordered_map<std::string, std::unique_ptr<PermissionRequest>>
       pending_requests_;
 
   // Must be the last member, to ensure that it will be
   // destroyed first, which will invalidate weak pointers
   base::WeakPtrFactory<PermissionContextBase> weak_factory_;
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_CONTEXT_BASE_H_