Revert of [es6] Map/Set size getter should have "get size" name

Revert of [es6] Map/Set size getter should have "get size" name (patchset #4 id:80001 of https://codereview.chromium.org/1094323005/)

Reason for revert:
Breaks GCMole ia32

http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20gcmole/builds/1685/steps/GCMole%20ia32/logs/stdio

src/runtime/runtime-function.cc:96:3: warning: Possible problem with evaluation order.
  f->shared()->set_name(*NameToFunctionName(name));
  ^
src/runtime/runtime-function.cc:96:3: warning: Possible problem with evaluation order.
2 warnings generated.

Original issue's description:
> [es6] Map/Set size getter should have "get size" name
>
> Getter and setter function names in ES6 are defined as "get foo" and
> "set foo".
>
> BUG=None
> LOG=N
> R=adamk@chromium.org
>
> Committed: https://crrev.com/83c89a2e71a363afb35595f903423e650d788e42
> Cr-Commit-Position: refs/heads/master@{#28034}

TBR=adamk@chromium.org,caitpotter88@gmail.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Committed: https://crrev.com/d5565c1f689b2953d92abd350529363f04f90fcd
Cr-Commit-Position: refs/heads/master@{#28035}

[arv (Not doing code reviews), 2015-04-23 22:06:25]

Created Revert of [es6] Map/Set size getter should have "get size" name

[commit-bot: I haz the power, 2015-04-23 22:06:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1106713002/1

[commit-bot: I haz the power, 2015-04-23 22:06:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-23 22:07:01]

Patchset 1 (id:??) landed as
https://crrev.com/d5565c1f689b2953d92abd350529363f04f90fcd
Cr-Commit-Position: refs/heads/master@{#28035}