[chromium] Add WebLayerTreeViewClient API to request font atlas
https://bugs.webkit.org/show_bug.cgi?id=102958

Patch by Eberhard Graether <egraether@google.com> on 2012-11-27
Reviewed by James Robinson.

This change makes the font atlas creation accessible to the WebLayerTreeView.

Source/Platform:

* chromium/public/WebLayerTreeViewClient.h:
(WebKit):
(WebLayerTreeViewClient):
(WebKit::WebLayerTreeViewClient::createFontAtlas):

Source/WebKit/chromium:

* src/WebViewImpl.cpp:
(WebKit::WebViewImpl::createFontAtlas):
(WebKit):
* src/WebViewImpl.h:
(WebViewImpl):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk/Source/Platform/chromium/public@135929 268f45cc-cd09-0410-ab3c-d52691b4dbfc