am 6ef2c375: Merge change I2bba1884 into eclair-mr2

Merge commit '6ef2c3759bf7ec457b86335bc2e06c6e6328fc24' into eclair-mr2-plus-aosp

* commit '6ef2c3759bf7ec457b86335bc2e06c6e6328fc24':
  Clean libwebkit, libjs and libv8 after WebKit merge.