You can delete some or all your browsing history from Google Chrome

1. Click the wrench icon on the browser toolbar.
2. Select Tools.
3. Select Clear browsing data.
4. In the dialog that appears, select the "Clear browsing history" checkbox.
5. Use the menu at the top to select the amount of data you want to delete. Select beginning of time to clear your entire browsing history.
6. Click Clear browsing data.

The following information is removed when you clear your browsing history:

• Web addresses you've visited, listed on the History page
• Cached text of pages you've visited
• Snapshots of your mOSt frequently visited pages on the New Tab page
• Any IP addresses pre-fetched from pages you've visited