[Merge] lp:~nikwen/gallery-app/video-delete-message into lp:gallery-app

[Arthur Mello]

Review: Needs Fixing

We now have two dialogs when deleting a photo from MediaViewer. One about deleting photo from gallery and a new one about deleting the photo only from the Album. We need to apply this change on both dialogs.
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https://code.launchpad.net/~nikwen/gallery-app/video-delete-message/+merge/225065
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