By default, remove user gesture restriction from permission bubbles

chrome/browser/ui/website_settings/permission_bubble_request.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_REQUEST_H_
 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_REQUEST_H_
 
 #include "base/strings/string16.h"
 #include "url/gurl.h"
 
@@ skipping 17 matching lines @@
   // that will be shown in the single-permission case and should be phrased
   // positively as a complete sentence.
   virtual base::string16 GetMessageText() const = 0;
 
   // Returns the shortened prompt text for this permission.  Must be phrased
   // as a heading, e.g. "Location", or "Camera". The permission bubble may
   // coalesce different requests, and if it does, this text will be displayed
   // next to an image and indicate the user grants the permission.
   virtual base::string16 GetMessageTextFragment() const = 0;
 
-  // Get whether this request was accompanied by a user gesture. User gestured
-  // permissions requests will not be suppressed.
+  // Get whether this request was accompanied by a user gesture. Non-gestured
+  // requests will be delayed if PermissionBubbleManager::
+  // RequireUserGesture(true) has been called on the manager.
   virtual bool HasUserGesture() const = 0;
 
   // Get the hostname on whose behalf this permission request is being made.
   virtual GURL GetRequestingHostname() const = 0;
 
   // Called when the user has granted the requested permission.
   virtual void PermissionGranted() = 0;
 
   // Called when the user has denied the requested permission.
   virtual void PermissionDenied() = 0;
 
   // Called when the user has cancelled the permission request. This
   // corresponds to a denial, but is segregated in case the context needs to
   // be able to distinguish between an active refusal or an implicit refusal.
   virtual void Cancelled() = 0;
 
   // The bubble this request was associated with was answered by the user.
   // It is safe for the request to be deleted at this point -- it will receive
   // no further message from the permission bubble system. This method will
   // eventually be called on every request which is not unregistered.
   virtual void RequestFinished() = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_REQUEST_H_