chromium use a lot of CPU

[Osmo Laitinen]

For some reason Chromium occasionally uses a lot of CPU.
I'll send some debug, let's see if it is useful.
I've got facebook, gmail and google+ pages open.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: chromium-browser 20.0.1132.47~r144678-0ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
Uname: Linux 3.2.0-32-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu14
Architecture: amd64
Date: Thu Oct 25 21:04:58 2012
Desktop-Session:
 DESKTOP_SESSION = None
 XDG_CONFIG_DIRS = None
 XDG_DATA_DIRS = None
Env:
 MOZ_PLUGIN_PATH = None
 LD_LIBRARY_PATH = None
ExecutablePath: /usr/lib/chromium-browser/chromium-browser
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
ProcEnviron:

SourcePackage: chromium-browser
UpgradeStatus: Upgraded to precise on 2012-03-14 (224 days ago)
chromium-default: CHROMIUM_FLAGS=""

[Osmo Laitinen (osmo-laitinen)]

It did it again. This time I took a starce of it.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Junki Kizuka (k-falconws)]

My Lubuntu Enviorment(12.10 Quantal) chromium-browser use a lot of CPU too.