Record permission prompt gesture metrics on Android.

chrome/browser/permissions/permission_infobar_delegate.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_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_INFOBAR_DELEGATE_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 48 matching lines @@
 
   // Returns true if the infobar should display a toggle to allow users to
   // opt-out of persisting their accept/deny decision.
   bool ShouldShowPersistenceToggle() const;
 
   // Sets whether or not a decided permission should be persisted to content
   // settings.
   void set_persist(bool persist) { persist_ = persist; }
   bool persist() const { return persist_; }
 
+  bool user_gesture() const { return user_gesture_; }
+
   // ConfirmInfoBarDelegate:
   bool Accept() override;
   bool Cancel() override;
   void InfoBarDismissed() override;
   base::string16 GetButtonLabel(InfoBarButton button) const override;
   base::string16 GetMessageText() const override;
 
  protected:
   PermissionInfoBarDelegate(const GURL& requesting_origin,
                             content::PermissionType permission_type,
@@ skipping 20 matching lines @@
   bool persist_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionInfoBarDelegate);
 };
 
 // Implemented in platform-specific code.
 std::unique_ptr<infobars::InfoBar> CreatePermissionInfoBar(
     std::unique_ptr<PermissionInfoBarDelegate> delegate);
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_INFOBAR_DELEGATE_H_