MIPS: Reland "Add out-of-line constant pool support to Arm."

Port r20053 (df27abf)

Original commit message:
This CL adds out-of-line constant pool support to Arm. A ConstantPoolBuilder
object is introduced to manage building of the ConstantPoolArray for a given
code object.

This CL depends on the following CLs landing first:
https://codereview.chromium.org/138503002/
https://codereview.chromium.org/179813005/
https://codereview.chromium.org/183553003/
https://codereview.chromium.org/183803022/
https://codereview.chromium.org/183883011/
https://codereview.chromium.org/186733006/
https://codereview.chromium.org/188063002/
https://codereview.chromium.org/190793002/
https://codereview.chromium.org/190823002/
https://codereview.chromium.org/190833002/
https://codereview.chromium.org/190883002/

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/204343005

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20083 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Provide default traits for PersistentValueMap

Re-try of issue 201643003. This caused linker errors on Win64, since the
linker insists on seeing the StrongMapTrait method implementations even
though they are never used. This will provide default implementations
for them.

R=dcarney@chromium.org

BUG=

Review URL: https://codereview.chromium.org/204343006

Patch from Daniel Vogelheim <vogelheim@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00