am b70da2bb: Merge change I1c281504 into eclair-mr2

Merge commit 'b70da2bbc594b093472d5333386d79f677fd9e01' into eclair-mr2-plus-aosp

* commit 'b70da2bbc594b093472d5333386d79f677fd9e01':
  Remove some unused window manager methods.