fix and update debug-debugger.js

fix and update debug-debugger.js

added `switch` statement is missing `break`s

R=yangguo@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=23441

[refack, 2014-08-25 18:59:03]

The CQ bit was checked by refack@gmail.com

[commit-bot: I haz the power, 2014-08-25 18:59:49]

CQ is trying da patch. Follow status at
 https://v8-status.appspot.com/cq/refack@gmail.com/494303004/1

[commit-bot: I haz the power, 2014-08-25 18:59:50]

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

[commit-bot: I haz the power, 2014-08-25 18:59:50]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[refack, 2014-08-25 19:02:39]

refack@gmail.com changed reviewers:
+ yurys@chromium.org

[aandrey, 2014-08-25 19:04:30]

aandrey@chromium.org changed reviewers:
+ aandrey@chromium.org, yangguo@chromium.org

[Yang, 2014-08-25 20:09:22]

lgtm.

[refack, 2014-08-25 20:21:04]

The CQ bit was checked by refack@gmail.com

[commit-bot: I haz the power, 2014-08-25 20:21:20]

CQ is trying da patch. Follow status at
 https://v8-status.appspot.com/cq/refack@gmail.com/494303004/1

[commit-bot: I haz the power, 2014-08-25 20:21:20]

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

[commit-bot: I haz the power, 2014-08-25 20:21:21]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[refack, 2014-08-26 08:06:54]

refack@gmail.com changed reviewers:
+ adamk@chromium.org, rafaelw@chromium.org, rossberg@chromium.org

[refack, 2014-08-26 08:25:37]

refack@gmail.com changed reviewers:
+ vsevik@chromium.org

[Yang, 2014-08-26 08:59:41]

On 2014/08/26 08:25:37, refack wrote:
> mailto:refack@gmail.com changed reviewers:
> + mailto:vsevik@chromium.org

You will need to sign the individual CLA here:
https://developers.google.com/open-source/cla/individual?csw=1

[refack, 2014-08-26 09:25:46]

On 2014/08/26 08:59:41, Yang wrote:
> On 2014/08/26 08:25:37, refack wrote:
> > mailto:refack@gmail.com changed reviewers:
> > + mailto:vsevik@chromium.org
> 
> You will need to sign the individual CLA here:
> https://developers.google.com/open-source/cla/individual?csw=1

Done

[vsevik, 2014-08-27 08:10:47]

vsevik@chromium.org changed reviewers:
- vsevik@chromium.org

[refack, 2014-08-27 08:32:11]

On 2014/08/26 08:59:41, Yang wrote:
> On 2014/08/26 08:25:37, refack wrote:
> > mailto:refack@gmail.com changed reviewers:
> > + mailto:vsevik@chromium.org
> 
> You will need to sign the individual CLA here:
> https://developers.google.com/open-source/cla/individual?csw=1

Signed the CLA.
Updated AUTHORS.
Got an L.G.T.M.
What should I do now?

[Yang, 2014-08-27 08:55:12]

On 2014/08/27 08:32:11, refack wrote:
> On 2014/08/26 08:59:41, Yang wrote:
> > On 2014/08/26 08:25:37, refack wrote:
> > > mailto:refack@gmail.com changed reviewers:
> > > + mailto:vsevik@chromium.org
> > 
> > You will need to sign the individual CLA here:
> > https://developers.google.com/open-source/cla/individual?csw=1
> 
> Signed the CLA.
> Updated AUTHORS.
> Got an L.G.T.M.
> What should I do now?

nothing. I'll land this CL for you.

[refack, 2014-08-27 09:18:40]

On 2014/08/27 08:55:12, Yang wrote:
> On 2014/08/27 08:32:11, refack wrote:
> > On 2014/08/26 08:59:41, Yang wrote:
> > > On 2014/08/26 08:25:37, refack wrote:
> > > > mailto:refack@gmail.com changed reviewers:
> > > > + mailto:vsevik@chromium.org
> > > 
> > > You will need to sign the individual CLA here:
> > > https://developers.google.com/open-source/cla/individual?csw=1
> > 
> > Signed the CLA.
> > Updated AUTHORS.
> > Got an L.G.T.M.
> > What should I do now?
> 
> nothing. I'll land this CL for you.
Thanks.

[Yang, 2014-08-27 09:54:27]

On 2014/08/27 09:18:40, refack wrote:
> On 2014/08/27 08:55:12, Yang wrote:
> > On 2014/08/27 08:32:11, refack wrote:
> > > On 2014/08/26 08:59:41, Yang wrote:
> > > > On 2014/08/26 08:25:37, refack wrote:
> > > > > mailto:refack@gmail.com changed reviewers:
> > > > > + mailto:vsevik@chromium.org
> > > > 
> > > > You will need to sign the individual CLA here:
> > > > https://developers.google.com/open-source/cla/individual?csw=1
> > > 
> > > Signed the CLA.
> > > Updated AUTHORS.
> > > Got an L.G.T.M.
> > > What should I do now?
> > 
> > nothing. I'll land this CL for you.
> Thanks.

Committed in r23441.