Use vector of PermissionRequest instead of ContentSettingsTypes for GroupedPermissionInfoBarDelegate

chrome/browser/permissions/permission_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_PERMISSIONS_PERMISSION_REQUEST_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_REQUEST_H_
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
+#include "components/content_settings/core/common/content_settings_types.h"
 #include "content/public/browser/permission_type.h"
 #include "url/gurl.h"
 
 namespace gfx {
 enum class VectorIconId;
 }
 
 // Used for UMA to record the types of permission prompts shown.
 // This corresponds to the PermissionRequestType enum in
 // src/tools/metrics/histograms.xml. The usual rules of updating UMA values
@@ skipping 81 matching lines @@
   virtual bool ShouldShowPersistenceToggle() const;
 
   // Used to record UMA metrics for permission requests.
   virtual PermissionRequestType GetPermissionRequestType() const;
 
   // Used to record UMA for whether requests are associated with a user gesture.
   // To keep things simple this metric is only recorded for the most popular
   // request types.
   virtual PermissionRequestGestureType GetGestureType() const;
 
+  // Used for grouped permission infobar.

[tsergeant, 2016/09/28 00:01:07]

Can you be more specific in this comment?

"Used on Android to determine what Android OS permissions are needed for this
permission request"

[lshang, 2016/09/28 00:47:07]

Done with this comment comment XD

+  virtual ContentSettingsType GetContentSettingsType() const;
+
   void set_persist(bool persist) { persist_ = persist; }
 
  protected:
   bool persist() const { return persist_; }
 
  private:
   // Whether or not the response for this prompt should be persisted.
   bool persist_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionRequest);
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_REQUEST_H_