Update Power Test to be 60/20/10 test.

Update Power Test to be 60/20/10 test.
- Focus tabs if the focus parameter is set.
- Only scroll tabs that are focused.
- Timeout tabs after 5 seconds.
- Fix scroll_loop to behave as intended.
- Update default params to run for an hour.
- Add globally playable music.
- Delete unrepresentative sites from test list
TEST=none
BUG=none

[petkov, 2010-03-06 06:21:00]

fly by...

http://codereview.chromium.org/669230/diff/1/6
File client/site_tests/power_LoadTest/extension/urls.js (right):

http://codereview.chromium.org/669230/diff/1/6#newcode140
client/site_tests/power_LoadTest/extension/urls.js:140: URLS[u_index++] =
'http://www.comacast.net';
comacast.net? or comcast.net?

[Sameer Nanda, 2010-03-07 03:35:45]

LGTM w/ nits

http://codereview.chromium.org/669230/diff/1/2
File client/site_tests/power_LoadTest/extension/background.html (right):

http://codereview.chromium.org/669230/diff/1/2#newcode45
client/site_tests/power_LoadTest/extension/background.html:45:
chrome.tabs.update(cycle.id, {'url': cycle.urls[cycle.idx], 'selected': true});
> 80 columns

http://codereview.chromium.org/669230/diff/1/2#newcode56
client/site_tests/power_LoadTest/extension/background.html:56: failed_loads[0]
+= 1;
in this or a subsequent CL can you add/move the successful_loads and
failed_loads to each task? That way we will know if the music, video etc. sites
failed to load.  Thanks!

http://codereview.chromium.org/669230/diff/1/2#newcode59
client/site_tests/power_LoadTest/extension/background.html:59: cycle.timer =
setTimeout(cycle_navigate, cycle.delay - cycle.timeout, cycle);
> 80 columns

http://codereview.chromium.org/669230/diff/1/6
File client/site_tests/power_LoadTest/extension/urls.js (right):

http://codereview.chromium.org/669230/diff/1/6#newcode56
client/site_tests/power_LoadTest/extension/urls.js:56:
'http://www.npr.org/templates/player/mediaPlayer.html?action=3&t=live1&islist=false',
 > 80 columns

http://codereview.chromium.org/669230/diff/1/6#newcode66
client/site_tests/power_LoadTest/extension/urls.js:66: timeout: 10 * 1000,
why 10s timeout for this section and 5s for the others?

http://codereview.chromium.org/669230/diff/1/6#newcode69
client/site_tests/power_LoadTest/extension/urls.js:69:
'http://docs.google.com/RawDocContents?action=fetch&justBody=false&revision=_latest&editMode=true&docID=0AaLGACl774zLZGRuYzlibWtfMXJzbmdoamcy',
 > 80 columns

[Sameer Nanda, 2010-03-08 18:03:14]

LGTM