Correctly parse line ends for debugging.

Correctly parse line ends for debugging.

Instead of using only \n as line terminator, we now use the definition
in http://www.ecma-international.org/ecma-262/5.1/#sec-7.3

R=marja@chromium.org
BUG=v8:2825
LOG=Y

Committed: https://crrev.com/2050994d8029a0fb80cd962d56eda581c16badd8
Cr-Commit-Position: refs/heads/master@{#25989}

[marja, 2015-01-07 12:50:26]

lgtm

[Yang, 2015-01-07 12:52:56]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2015-01-07 12:53:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/821383009/1

[commit-bot: I haz the power, 2015-01-07 12:54:17]

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

[commit-bot: I haz the power, 2015-01-07 12:54:18]

Try jobs failed on following builders:
  v8_linux64_asan_rel on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_asan_rel/builds/583)
  v8_linux64_rel on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_rel/builds/2045)
  v8_linux_arm_rel on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_linux_arm_rel/builds/607)
  v8_linux_dbg on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_linux_dbg/builds/2010)
  v8_linux_rel on tryserver.v8
(http://build.chromium.org/p/tryserver.v8/builders/v8_linux_rel/builds/2029)

[Yang, 2015-01-08 10:46:19]

Committed patchset #2 (id:20001) manually as
2050994d8029a0fb80cd962d56eda581c16badd8 (presubmit successful).

[commit-bot: I haz the power, 2015-01-08 10:46:21]

Patchset 2 (id:??) landed as
https://crrev.com/2050994d8029a0fb80cd962d56eda581c16badd8
Cr-Commit-Position: refs/heads/master@{#25989}