Google Chrome 24.0.1312.56

# This build contains the following fixes:
* Fixed performance of mouse wheel scrolling.
* Fixed visited links regression.
* Fixed windows installation when installed as admin.
# Security fixes
* Use-after-free in canvas font handling.
* Missing URL validation when opening new windows.
* Unchecked array index in content blocking.
* Problems with NULL characters embedded in paths.
* Crash with unsupported RTC sampling rate.