Google Chrome offers this great feature of merging bookmarks or import bookmarks from Firefox or from Internet Explorer.
Google Chrome always asks this while you install it.
Open Google Chrome
Click the Settings Icon as seen in the below Image
Click Import bookmarks & Settings…
When you get this pop up window choose Firefox or Microsoft Internet Explorer
Then Choose the settings that you want to import
Then click Import
You will see Google Chrome Importing the selected settings.
Please comment your questions.