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I have been experiencing the same problem in chromium and safari but not firefox. weird

 Issue 12903  has been merged into this issue.

This may be a bug in Gmail.

Note this has nothing to do with gmail chat being on the right. I see it even without
that being the case.

In may case moving chat to the left removes the horizontal scrollbar, so there is a 
relation. It may have to do with other screen-related parameters.

I think moving the chat from right to left fixed it in the past, but today I was upgraded 
to Chrome 3.0.191.3 on Mac and the scrollbar is still there no matter if the chat is left 
or right.
In Safari 4.0.1 (5530.18) the scrollbar is there with right-side chat, but disappears when 
moved to the left.

As I went to Chrome 3.0.191.0 on XP, the problem went away for me. There is no longer a 
horizontal scrollbar in Gmail on my system.

We just got a comment saying that the problem exists on the Mac build, so I'm not sure 
what the dependencies are here. Does anyone still have this on Windows?

Actually, resizing the window manually (dragging bottom-right corner) makes it go
away, but it comes back after refreshing the page.

I'm using 3.0.193.0 on WinXP x64 SP2, using right-side chat still results in a 
horizontal scroll bar. Manual resize as per morda4u's suggestion doesn't make it 
disappear. Does not occur in FF 3.0, FF 3.5 or Opera 10, but does in Safari 4.0.2 
(530.19.1), so apparently it is a WebKit issue?

This is really annoying. Same as others, happens in Chrome and Safari 4, but not in 
Firefox 3.5. Just bump the right side chat status menu over so its right justified with 
the drop down button and that will solve the issue.

It works ok in 3.0.195.1 on Mac with left-side chat - no scrollbar. Not sure if it was 
version-bump related or a change in Gmail. I had 3.0.195.1 for a couple of days but 
noticed it only today. Still broken with right-side chat.

I've always had chat on the left hand side, and this bug has been annoying myself too. I update the build daily.
I'm using a 13' macbook.

The issue has been resolved, I can't reproduce on my macbook 13'. Thanks so much, 
gmail loads a lot better.

Yesterday's build still has it for my configuration unfortunately.

attached is screenshot of this bug not reproducing on a macbook 13'.
the build of chromium is only a minute old.

gmail screenshot.jpeg 878 KB   Download

I was too quick reporting it's gone. Currently I'm on 3.0.198.1 (Mac) and it's still there 
(with Chat on the left). As always, resizing the window, manually or by clicking green + 
button helps.

 Issue 19493  has been merged into this issue.

←  bug 14647 

 Issue 14647  has been merged into this issue.

https://bugs.webkit.org/show_bug.cgi?id=28614

I get this Bar when I am in Windows Vista or 7.

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This seems to happen regardless of where chat is.

The Right-side Chat problem is a separate issue that may actually be a bug in that 
Gmail Labs feature.  I've filed bug 20073 to track that.  I'm sorry to repurpose this bug 
from what it was initially filed to address, but there seems to have been some confusion 
between the two causes of horizontal scrollbars appearing, and this bug seems to have 
become more about the horizontal scrollbars not related to Right-side Chat.

I don't see the scrollbars any more...seems like it got fixed in 4.0.204.0 (Ubuntu 
build 24734)

http://trac.webkit.org/changeset/47904

Is this fixed?

It had to get backed out upstream because it caused a layout test regression on the Mac 
(in DumpRenderTree only, not in Safari).

I'm still looking at that, but in the mean time, it looks like there was a Gmail-side fix for 
this.

"Is this fixed?"

No, unfortunately I am still seeing the problem using Chromium build 25088 (Mac).

I guess you're right.  I don't see it any more on the Gmail account I usually use in 
Chrome, but I do see it in others.

I had deprioritized this given comment 34 but I'll see if I can figure out what's wrong 
with DumpRenderTree to get the fix back in upstream.

Rearranging bugs to eliminate LinuxBeta label.

v4 patch up at https://bugs.webkit.org/show_bug.cgi?id=28614

http://trac.webkit.org/changeset/48064

We brought a version of WebCore that has the upstream fix into our DEPS at r25515.

Thanks for fixing the issue...

Is this issue fixed for Windows?

The specific bug that caused horizontal scrollbars to appear in "ordinary" Gmail (no Labs 
features or anything extra) is fixed on all platforms.  That doesn't mean there aren't 
other things that will cause an errant horizontal scrollbar to show up.  For example, 
enabling Right-side Chat in Gmail, a Labs feature, will add such a scrollbar in all 
WebKit-based browsers.

Thanks for fixing it!

Will the right-side chat horizontal scrollbar WebKit issue still be fixed?

@44: It is still broken, at least as of yesterday. Actually Mark said so in #42.

@Mark: You closed this bug, so do we open a separate bug? The description is going to 
be strangely familiar though...

Comment 44, please go to bug 20073.

Openstreetmap site has the Unneeded horizontal scrollbar.
Look: http://www.openstreetmap.org/index.html
I'm using Chrome 4.0.207.0. 64-bit on Debian Squeeze.

Comment 48, I don't see that on the Mac.

Not ever instance of an unwanted scrollbar is caused by the same bug.  This bug is 
specific to one instance of an unwanted horizontal scrollbar in Gmail, and as comments 
44-47 indicate, it's not even the only such instance that occurs in Gmail.  If you think 
you have another bug, please file it separately.  Feel free to refer back to this bug.

I'm using Chrome Beta 4.0.249.43 and right-side chat and i have the same problem. No 
matter how much i resize my window, the horizontal bar is always there, even on 
fullscreen

The extra scrollbars with right-side chat are bug 20073.