CpuProfiler: do not calculate positions if it is not necessary (TryInline part).

CpuProfiler: do not calculate positions if it is not necessary (TryInline part).

TryInline needed position only for the case when we track positions.
We can drop the position argument and use the current position from GraphBuilder.
The only problem that it doesn't match with the inline point.
The reason of that was the fact that builder had moved the position forward by
visiting arguments expressions.

I fixed this by restoring the current positon in HOptimizedGraphBuilderWithPositions::Visit*

BUG=452067
LOG=n

Committed: https://crrev.com/cbda41c88aa0813be7a4ecc0aeb1559000680c2b
Cr-Commit-Position: refs/heads/master@{#26953}

[loislo, 2015-02-27 13:16:41]

loislo@chromium.org changed reviewers:
+ alph@chromium.org, svenpanne@google.com, yurys@chromium.org

[loislo, 2015-02-27 13:16:41]

PTAL

[yurys, 2015-02-27 13:23:54]

looks good, but someone more familiar with the code should review this.

[loislo, 2015-02-27 13:23:56]

loislo@chromium.org changed reviewers:
+ vegorov@chromium.org

[Vyacheslav Egorov (Google), 2015-02-27 13:34:34]

vegorov@google.com changed reviewers:
+ vegorov@google.com

[Vyacheslav Egorov (Google), 2015-02-27 13:34:37]

lgtm

[Sven Panne, 2015-03-03 07:50:44]

svenpanne@chromium.org changed reviewers:
+ svenpanne@chromium.org

[Sven Panne, 2015-03-03 07:50:44]

The CQ bit was checked by svenpanne@chromium.org

[Sven Panne, 2015-03-03 07:50:44]

lgtm

[commit-bot: I haz the power, 2015-03-03 07:51:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/962593005/20001

[commit-bot: I haz the power, 2015-03-03 08:42:35]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-03-03 08:42:50]

Patchset 2 (id:??) landed as
https://crrev.com/cbda41c88aa0813be7a4ecc0aeb1559000680c2b
Cr-Commit-Position: refs/heads/master@{#26953}