Revert r169180 (https://codereview.chromium.org/150733002) in M36.1985 branch, due to layout proble…

Revert r169180 (https://codereview.chromium.org/150733002) in M36.1985 branch, due to layout problems on overflown RTL contents.

Content is cropped and shifts to the left in RTL iFrames with scrollbars

R=matthewyuan@chromium.org, jchaffraix@chromium.org
BUG=353111
> Place inner frame scrollbars on the left side, if indicated by the frame-level
> text direction.
>
> CL overrides ScrollView::shouldPlaceVerticalScrollbarOnLeft() from FrameView in
> order to determine if a Frame level scrollbar should be placed on the left.
> Logic is simple: it obeys what ever is set to the body node, as it determines
> the page text direction.
>
> For now, it only covers inner frames, as main frame level scrollbar placement
> logic should be dictated by the application/system (see crbug.com/249860).
>
> Patch does not introduce new tests, but marks the existing affected tests as
> NeedsManualRebaseline in order to get
> results for all platforms from the bots, and perform rebaselines accordingly.
> Once this is done, idea is to re-mark them as flaky.
>
> Bug=250514
>
> Review URL: https://codereview.chromium.org/150733002

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=178689

[tonikitoo_, 2014-07-22 20:07:15]

Committed patchset #1 manually as r178689.