By default, remove user gesture restriction from permission bubbles

chrome/browser/ui/website_settings/permission_bubble_manager.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_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_MANAGER_H_
 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_MANAGER_H_
 
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 39 matching lines @@
   // In some circumstances, we can remove the request from the bubble, and may
   // do so. The request will have RequestFinished executed on it if it is found,
   // at which time the caller is free to delete the request.
   virtual void CancelRequest(PermissionBubbleRequest* request);
 
   // Sets the active view for the permission bubble. If this is NULL, it
   // means any existing permission bubble can no longer be shown. Does not
   // take ownership of the view.
   void SetView(PermissionBubbleView* view) override;
 
+  // Controls whether incoming permission requests require user gestures.
+  // If |required| is false, requests will be displayed as soon as they come in.
+  // If |required| is true, requests will be silently queued until a request
+  // comes in with a user gesture.
+  void RequireUserGesture(bool required);
+
  private:
   friend class DownloadRequestLimiterTest;
   friend class PermissionBubbleManagerTest;
   friend class PermissionContextBaseTests;
   friend class content::WebContentsUserData<PermissionBubbleManager>;
 
   explicit PermissionBubbleManager(content::WebContents* web_contents);
 
   // WebContentsObserver:
   void DocumentOnLoadCompletedInMainFrame() override;
@@ skipping 33 matching lines @@
   // is the same object as an existing request in |queue|, false otherwise.
   bool ExistingRequest(PermissionBubbleRequest* request,
                        const std::vector<PermissionBubbleRequest*>& queue,
                        bool* same_object);
 
   // Returns true if |queue| contains a request which was generated by a user
   // gesture.  Returns false otherwise.
   bool HasUserGestureRequest(
       const std::vector<PermissionBubbleRequest*>& queue);
 
+  // Whether to delay displaying the bubble until a request with a user gesture.
+  // False by default, unless RequireUserGesture(bool) changes the value.
+  bool require_user_gesture_;
+
   // Whether or not we are showing the bubble in this tab.
   bool bubble_showing_;
 
   // Set to the UI surface to be used to display the permissions requests.
   PermissionBubbleView* view_;
 
   std::vector<PermissionBubbleRequest*> requests_;
   std::vector<PermissionBubbleRequest*> queued_requests_;
   std::vector<PermissionBubbleRequest*> queued_frame_requests_;
 
   // URL of the main frame in the WebContents to which this manager is attached.
   // TODO(gbillock): if there are iframes in the page, we need to deal with it.
   GURL request_url_;
   bool request_url_has_loaded_;
 
   std::vector<bool> accept_states_;
   bool customization_mode_;
 
   base::WeakPtrFactory<PermissionBubbleManager> weak_factory_;
 };
 
 #endif  // CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_MANAGER_H_