tree b9561fc19d2826a2b08997fcaef84eadbbeb252c
parent 2eb840353822092d542361c8d6c4938acfddee8e
author Mathieu Chartier <mathieuc@google.com> 1352942945 -0800
committer Mathieu Chartier <mathieuc@google.com> 1353441503 -0800

Refactor GC to have a class for each different type of GC.

Added a seperate files for mark sweep, partial mark sweep,
sticky mark sweep.

Added a common superclass for GC.

Added additional statistics for each GC.

Moved main garbage collection code away from Heap.cc.

Change-Id: Ida0021ab2f740fc8228bbbf4d43cd9bc56b4ba46