am 79565031: Set pageCacheCapacity, which enables page cache, for the Browser

Merge commit '79565031293b4cdfd3e7a0bf9f0ead59b8570bba' into eclair-mr2-plus-aosp

* commit '79565031293b4cdfd3e7a0bf9f0ead59b8570bba':
  Set pageCacheCapacity, which enables page cache,