Reintroduce plumbing for user gesture into permission system.

content/public/browser/permission_manager.h

 // Copyright 2015 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_PUBLIC_BROWSER_PERMISSION_MANAGER_H_
 #define CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_
 
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/modules/permissions/permission_status.mojom.h"
 
@@ skipping 19 matching lines @@
   // When the permission request is handled, whether it failed, timed out or
   // succeeded, the |callback| will be run.
   // Returns a request id which can be used to cancel the permission (see
   // CancelPermissionRequest). This can be kNoPendingOperation if
   // there is no further need to cancel the permission in which case |callback|
   // was invoked.
   virtual int RequestPermission(
       PermissionType permission,
       RenderFrameHost* render_frame_host,
       const GURL& requesting_origin,
+      bool user_gesture,
       const base::Callback<void(blink::mojom::PermissionStatus)>& callback) = 0;
 
   // Requests multiple permissions on behalf of a frame identified by
   // render_frame_host.
   // When the permission request is handled, whether it failed, timed out or
   // succeeded, the |callback| will be run. The order of statuses in the
   // returned vector will correspond to the order of requested permission
   // types.
   // Returns a request id which can be used to cancel the request (see
   // CancelPermissionRequest). This can be kNoPendingOperation if
   // there is no further need to cancel the permission in which case |callback|
   // was invoked.
   virtual int RequestPermissions(
       const std::vector<PermissionType>& permission,
       RenderFrameHost* render_frame_host,
       const GURL& requesting_origin,
+      bool user_gesture,
       const base::Callback<void(
           const std::vector<blink::mojom::PermissionStatus>&)>& callback) = 0;
 
   // Cancels a previous permission request specified by |request_id|. Cancelling
   // an already cancelled request or providing the |request_id|
   // kNoPendingOperation is a no-op.
   virtual void CancelPermissionRequest(int request_id) = 0;
 
   // Returns the permission status of a given requesting_origin/embedding_origin
   // tuple. This is not taking a RenderFrameHost because the call might happen
@@ skipping 29 matching lines @@
   // The |subscription_id| must match the value returned by the
   // SubscribePermissionStatusChange call. Unsubscribing
   // an already unsubscribed |subscription_id| or providing the
   // |subscription_id| kNoPendingOperation is a no-op.
   virtual void UnsubscribePermissionStatusChange(int subscription_id) = 0;
 };
 
 }  // namespace content
 
 #endif // CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_