Don't updateTileCoverageMap() from setScrollingModeIndication if we don't need to.

Reviewed by Simon Fraser.

Only do the work if the tiled scrolling indicator/map is enabled.

* platform/graphics/ca/mac/TileCache.mm:
(WebCore::TileCache::setScrollingModeIndication):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141187 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[chromium] Disable layout tests impacted by page scale change
https://bugs.webkit.org/show_bug.cgi?id=108232

Unreviewed, gardening.

After https://codereview.chromium.org/12045002/, these
tests are expected to fail.  Disabling and creating bugs for follow-up.

* platform/chromium/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141188 268f45cc-cd09-0410-ab3c-d52691b4dbfc
offlineasm BaseIndex handling is broken on ARM due to MIPS changes
https://bugs.webkit.org/show_bug.cgi?id=108261

Reviewed by Oliver Hunt.
        
Backends shouldn't override each other's methods. That's not cool.

* offlineasm/mips.rb:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141189 268f45cc-cd09-0410-ab3c-d52691b4dbfc