Revert of Collect type profile for DevTools.

Revert of Collect type profile for DevTools. (patchset #41 id:770001 of https://codereview.chromium.org/2707873002/ )

Reason for revert:
Still flaky

Original issue's description:
> Collect type profile for DevTools
> 
> Collect type information for JavaScript variables and display it 
> in Chrome DevTools. 
> Design Doc: https://docs.google.com/a/google.com/document/d/1O1uepXZXBI6IwiawTrYC3ohhiNgzkyTdjn3R8ysbYgk/edit?usp=sharing
> 
> When debugging JavaScript, it’s helpful to know the type of
> a variable, parameter, and return values. JavaScript is 
> dynamically typed, and for complex 
> source code it’s often hard to infer types. With type profiling, we 
> can provide type information to JavaScript developers.
> 
> This CL is a proof of concept. It collects type profile for 
> assignments and simply prints the types to stdout.
> 
> The output looks something like this: 
> 
> #my_var1
>   #Object
>   #number
>   #string
>   #number
>   #undefined
>   #string
>   #Object
>   #Object
> 
> 
> We use an extra slot in the feedback vector of assignments to 
> carry the list of types for that assignment. The extra slot is
> only added when the flag --type-profile is given. 
> 
> 
> Missing work:
> * Collect data for parameters and return values (currently only assignments). 
> * Remove duplicates from the list of collected types and use a common base class.
> * Add line numbers or source position instead of the variable name.
> 
> 
> 
> BUG=v8:5935
> 
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Original-Original-Commit-Position: refs/heads/master@{#43791}
> Committed: https://chromium.googlesource.com/v8/v8/+/0332bebde99d0f9a5a8326382f5f37cc26224ae0
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Original-Commit-Position: refs/heads/master@{#43804}
> Committed: https://chromium.googlesource.com/v8/v8/+/6cf880f4b84c533d4bb139d33c1369e309d1c579
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Commit-Position: refs/heads/master@{#43846}
> Committed: https://chromium.googlesource.com/v8/v8/+/5c322873908a5b5c04552fc47d8d81f7603b5d11
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Commit-Position: refs/heads/master@{#43849}
> Committed: https://chromium.googlesource.com/v8/v8/+/18c35e4958be6a70acc923bf10363eb9aaee5ce4

TBR=yangguo@chromium.org,mvstanton@chromium.org,rmcilroy@chromium.org,mstarzinger@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5935
Review-Url: https://codereview.chromium.org/2745413006
Cr-Commit-Position: refs/heads/master@{#43852}
Committed: https://chromium.googlesource.com/v8/v8/+/79ccd3a693e34a38e8d5158d4cca0b666964d31a

[Franzi, 2017-03-16 09:59:04]

The CQ bit was checked by franzih@chromium.org

[Franzi, 2017-03-16 09:59:05]

Created Revert of Collect type profile for DevTools.

[commit-bot: I haz the power, 2017-03-16 09:59:12]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-16 09:59:21]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489658344359890, "parent_rev":
"64b7bd55b25164fab3f820313cb35519a58ddc13", "commit_rev":
"79ccd3a693e34a38e8d5158d4cca0b666964d31a"}

[commit-bot: I haz the power, 2017-03-16 09:59:26]

Description was changed from

==========
Revert of Collect type profile for DevTools. (patchset #41 id:770001 of
https://codereview.chromium.org/2707873002/ )

Reason for revert:
Still flaky

Original issue's description:
> Collect type profile for DevTools
> 
> Collect type information for JavaScript variables and display it 
> in Chrome DevTools. 
> Design Doc:
https://docs.google.com/a/google.com/document/d/1O1uepXZXBI6IwiawTrYC3ohhiNgz...
> 
> When debugging JavaScript, it’s helpful to know the type of
> a variable, parameter, and return values. JavaScript is 
> dynamically typed, and for complex 
> source code it’s often hard to infer types. With type profiling, we 
> can provide type information to JavaScript developers.
> 
> This CL is a proof of concept. It collects type profile for 
> assignments and simply prints the types to stdout.
> 
> The output looks something like this: 
> 
> #my_var1
>   #Object
>   #number
>   #string
>   #number
>   #undefined
>   #string
>   #Object
>   #Object
> 
> 
> We use an extra slot in the feedback vector of assignments to 
> carry the list of types for that assignment. The extra slot is
> only added when the flag --type-profile is given. 
> 
> 
> Missing work:
> * Collect data for parameters and return values (currently only assignments). 
> * Remove duplicates from the list of collected types and use a common base
class.
> * Add line numbers or source position instead of the variable name.
> 
> 
> 
> BUG=v8:5935
> 
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Original-Original-Commit-Position: refs/heads/master@{#43791}
> Committed:
https://chromium.googlesource.com/v8/v8/+/0332bebde99d0f9a5a8326382f5f37cc262...
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Original-Commit-Position: refs/heads/master@{#43804}
> Committed:
https://chromium.googlesource.com/v8/v8/+/6cf880f4b84c533d4bb139d33c1369e309d...
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Commit-Position: refs/heads/master@{#43846}
> Committed:
https://chromium.googlesource.com/v8/v8/+/5c322873908a5b5c04552fc47d8d81f7603...
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Commit-Position: refs/heads/master@{#43849}
> Committed:
https://chromium.googlesource.com/v8/v8/+/18c35e4958be6a70acc923bf10363eb9aae...

TBR=yangguo@chromium.org,mvstanton@chromium.org,rmcilroy@chromium.org,mstarzi...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5935
==========

to

==========
Revert of Collect type profile for DevTools. (patchset #41 id:770001 of
https://codereview.chromium.org/2707873002/ )

Reason for revert:
Still flaky

Original issue's description:
> Collect type profile for DevTools
> 
> Collect type information for JavaScript variables and display it 
> in Chrome DevTools. 
> Design Doc:
https://docs.google.com/a/google.com/document/d/1O1uepXZXBI6IwiawTrYC3ohhiNgz...
> 
> When debugging JavaScript, it’s helpful to know the type of
> a variable, parameter, and return values. JavaScript is 
> dynamically typed, and for complex 
> source code it’s often hard to infer types. With type profiling, we 
> can provide type information to JavaScript developers.
> 
> This CL is a proof of concept. It collects type profile for 
> assignments and simply prints the types to stdout.
> 
> The output looks something like this: 
> 
> #my_var1
>   #Object
>   #number
>   #string
>   #number
>   #undefined
>   #string
>   #Object
>   #Object
> 
> 
> We use an extra slot in the feedback vector of assignments to 
> carry the list of types for that assignment. The extra slot is
> only added when the flag --type-profile is given. 
> 
> 
> Missing work:
> * Collect data for parameters and return values (currently only assignments). 
> * Remove duplicates from the list of collected types and use a common base
class.
> * Add line numbers or source position instead of the variable name.
> 
> 
> 
> BUG=v8:5935
> 
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Original-Original-Commit-Position: refs/heads/master@{#43791}
> Committed:
https://chromium.googlesource.com/v8/v8/+/0332bebde99d0f9a5a8326382f5f37cc262...
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Original-Commit-Position: refs/heads/master@{#43804}
> Committed:
https://chromium.googlesource.com/v8/v8/+/6cf880f4b84c533d4bb139d33c1369e309d...
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Original-Commit-Position: refs/heads/master@{#43846}
> Committed:
https://chromium.googlesource.com/v8/v8/+/5c322873908a5b5c04552fc47d8d81f7603...
> Review-Url: https://codereview.chromium.org/2707873002
> Cr-Commit-Position: refs/heads/master@{#43849}
> Committed:
https://chromium.googlesource.com/v8/v8/+/18c35e4958be6a70acc923bf10363eb9aae...

TBR=yangguo@chromium.org,mvstanton@chromium.org,rmcilroy@chromium.org,mstarzi...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5935

Review-Url: https://codereview.chromium.org/2745413006
Cr-Commit-Position: refs/heads/master@{#43852}
Committed:
https://chromium.googlesource.com/v8/v8/+/79ccd3a693e34a38e8d5158d4cca0b66696...
==========

[commit-bot: I haz the power, 2017-03-16 09:59:28]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/79ccd3a693e34a38e8d5158d4cca0b66696...