Invalid method Mage_Catalog_Block_Product_View::_isSecure(Array())

I have faced the issue of Invalid method Mage_Catalog_Block_Product_View::_isSecure(Array()) after creating the copy of rwd theme in magento1.9.0. So would like to tell about the solution, if somebody will face the same problem then just copy the following function in Abstract.php file exists in 'app/code/core/Mage/Core/Block/' file -

1. protected function _isSecure()

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