Web Inspector: Use Maps in FrameResourceManager instead of objects

[Nikita Vasilyev]

Also, instead of using `delete` operator use Map#delete.

[Radar WebKit Bug Importer]

<rdar://problem/30590110>

[Nikita Vasilyev]

Created attachment 302042 [details]
Patch

[Joseph Pecoraro]

Comment on attachment 302042 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=302042&action=review

r=me

> Source/WebInspectorUI/UserInterface/Controllers/FrameResourceManager.js:72
>          var frames = [];
> -        for (var key in this._frameIdentifierMap)
> -            frames.push(this._frameIdentifierMap[key]);
> +        for (let [key, value] of this._frameIdentifierMap)
> +            frames.push(value);
>  
>          return frames;

How about just [...map.values()]

> Source/WebInspectorUI/UserInterface/Controllers/FrameResourceManager.js:536
> +        this._resourceRequestIdentifierMap = new Map;
> +        this._frameIdentifierMap = new Map;

These could be .clear(), but I think new Map is fine.

[Nikita Vasilyev]

(In reply to comment #3)
> Comment on attachment 302042 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=302042&action=review
> 
> r=me
> 
> > Source/WebInspectorUI/UserInterface/Controllers/FrameResourceManager.js:72
> >          var frames = [];
> > -        for (var key in this._frameIdentifierMap)
> > -            frames.push(this._frameIdentifierMap[key]);
> > +        for (let [key, value] of this._frameIdentifierMap)
> > +            frames.push(value);
> >  
> >          return frames;
> 
> How about just [...map.values()]

This's so much more concise! I forgot that `...` can be used with any iterator.

[Nikita Vasilyev]

Created attachment 302046 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 302046 [details]
Patch

Clearing flags on attachment: 302046

Committed r212603: <http://trac.webkit.org/changeset/212603>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.