Make the statistics generation data driven.

Make the statistics generation data driven.

StatisticsExtension::GetCounters() has grown to repeat a lot of code
so to make it more maintainable and generate less machine code,
make it data driven. This makes a 64 bit Linux build 50 KB smaller.

Total change: -51677 bytes
==========================
  1 shrunk, for a net change of -51677 bytes (64222 bytes before, 12545 bytes after) across 1 sources
  279691 unchanged, totalling 51423668 bytes

Per-source Analysis:

-------------------------------------------------------------------------------------------------------------------
 -51677 - Source: /home/bratell/src/chromium/src/v8/src/extensions/statistics-extension.cc - (gained 0, lost 51677)
-------------------------------------------------------------------------------------------------------------------
  Shrunk symbols:
     -51677: v8::internal::StatisticsExtension::GetCounters(v8::FunctionCallbackInfo<v8::Value> const&) type=t, (was 64222 bytes, now 12545 bytes)

BUG=

Committed: https://crrev.com/cc36222776172588ddb6c396fc09e53f4ba86d76
Cr-Commit-Position: refs/heads/master@{#26640}

[Daniel Bratell, 2015-02-11 16:05:11]

bratell@opera.com changed reviewers:
+ svenpanne@chromium.org

[Daniel Bratell, 2015-02-11 16:05:12]

svenpanne, can you please take a look?

I'm sorry about the format of the code but that is what git cl format did to it.
Still readable I think.

[Sven Panne, 2015-02-13 08:00:26]

The CQ bit was checked by svenpanne@chromium.org

[Sven Panne, 2015-02-13 08:00:27]

lgtm

[commit-bot: I haz the power, 2015-02-13 08:00:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/912413003/1

[commit-bot: I haz the power, 2015-02-13 08:02:57]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-02-13 08:02:58]

Try jobs failed on following builders:
  v8_linux64_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_rel/builds/2974)
  v8_linux_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_rel/builds/2917)

[Daniel Bratell, 2015-02-13 09:46:21]

New patchsets have been uploaded after l-g-t-m from svenpanne@chromium.org

[Daniel Bratell, 2015-02-13 09:47:04]

The CQ bit was checked by bratell@opera.com

[commit-bot: I haz the power, 2015-02-13 09:47:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/912413003/20001

[commit-bot: I haz the power, 2015-02-13 09:49:56]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-02-13 09:49:57]

Try jobs failed on following builders:
  v8_linux_arm64_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_arm64_rel/builds/2891)

[Sven Panne, 2015-02-13 10:36:07]

The CQ bit was checked by svenpanne@chromium.org

[commit-bot: I haz the power, 2015-02-13 10:36:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/912413003/40001

[commit-bot: I haz the power, 2015-02-13 10:56:47]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-02-13 10:57:21]

Patchset 3 (id:??) landed as
https://crrev.com/cc36222776172588ddb6c396fc09e53f4ba86d76
Cr-Commit-Position: refs/heads/master@{#26640}