Open the Google Chrome browser on your Android phone or tablet.Google Chrome on Android phone or tablet Viewing and deleting history
When you're ready to clear your history, click Clear data.
reg files which you can use as a shortcut instead of having to open the Registry Editor yourself, see the previous post which has full instructions on how to use them. So if you want to speed up IE8, you could try the IE 7 registry hacks on IE8 - I've produced some. They did when I tried them anyway, being a speed, optimisation and productivity freak!
A tip: it seems that the registry hacks to make Internet Explorer 7 go faster on Windows XP (including making new tabs open faster) also work on IE 8 beta 2.