Revert 169394 "Node::setTextContent should avoid work when nothi..."

Revert 169394 "Node::setTextContent should avoid work when nothi..."

Might have broken countless layout tests (ok I am exaggerating) on almost all platforms

> Node::setTextContent should avoid work when nothing changes
> 
> We already had code to handle this case, which is shared
> by editing as well as HTMLElement::setInnerText.
> 
> replaceChildrenWithText does the right thing to avoid
> doing work when the text content hasn't changed, etc.
> 
> BUG=352836
> R=jchaffraix@chromium.org
> 
> Review URL: https://codereview.chromium.org/200763006

TBR=eseidel@chromium.org

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=169401

[Zhenyao Mo, 2014-03-18 00:38:58]

Committed patchset #1 manually as r169401.

[eseidel, 2014-03-18 00:40:44]

The linux bubble shows green on https://codereview.chromium.org/200763006.  The
mac and win bubbles looked like the try-bots were just hosed.  So I landed
manually.

I can investigate later if it turns out reverting this fixes your problems.

[eseidel, 2014-03-18 00:40:45]

The linux bubble shows green on https://codereview.chromium.org/200763006.  The
mac and win bubbles looked like the try-bots were just hosed.  So I landed
manually.

I can investigate later if it turns out reverting this fixes your problems.

[Zhenyao Mo, 2014-03-18 01:48:14]

On 2014/03/18 00:40:45, eseidel wrote:
> The linux bubble shows green on https://codereview.chromium.org/200763006. 
The
> mac and win bubbles looked like the try-bots were just hosed.  So I landed
> manually.
> 
> I can investigate later if it turns out reverting this fixes your problems.

Yeah, it's this CL.