In the dialog that appears, scroll down to the "Location" section. Select your default permission for future location requests:
Allow all sites to track your physical location: Select this option to let all sites automatically access your location.
Ask when a site tries to track your physical location: Select this option if you want Google Chrome to alert you whenever a site requests your location.
Do not allow any site to track your physical location: Select this option to automatically deny site requests for your location.
Click the "Site Identity Button" (globe/padlock) on the location bar
Click "More Information" to open "Tools > Page Info" with the Security tab selected
Go to the Permissions tab (Tools > Page Info > Permissions) to check the permissions for the domain in the currently selected tab
go to Settings > Preferences > Advanced > Network, and check "Enable geolocation".
Under Tools>> Internet Options>> Privacy - look under the Location section, press the "Clear Sites" button and be sure "Never allow websites to request your physical location" is unchecked. Press OK.
You can reset website authorizations in Safari 5 by choosing Reset Safari from the Safari menu, then enabling "Reset all location warnings" checkbox (don't select the other checkboxes unless you are sure you want to reset those as well).