Revert 221023 "Reland after fix: Improve <webview> autosize:"

Revert 221023 "Reland after fix: Improve <webview> autosize:"

> Reland after fix: Improve <webview> autosize:
> a. Expand/shrink <webview> element when 'sizechange' event fires, to
> match with the new view size (in shim).
> b. For SW mode, fix a bug where damage buffer would remain smaller than
> the view size and would result in crash. Added test for this case.
> 
> BUG=173238, 282116
> Test=WebViewTest.AutoSize.*, <webview>.autosize=true now should autosize
> webview container within the constraints
> (minwidth/maxwidth/minheight/maxheight).
> 
> Review URL: https://chromiumcodereview.appspot.com/23503023

Best guess that this caused flakiness of WebViewTest.Shim_TestAutosizeRemoveAttributes.
See here
http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=%40ToT%20Chromium&testType=browser_tests&tests=WebViewTest.Shim_TestAutosizeRemoveAttributes

TBR=lazyboy@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=221164

[pneubeck (no reviews), 2013-09-04 10:07:18]

Committed patchset #1 manually as r221164.