Update to Chromium revision b0aa1fb5 (#296183).

- Restore CefRenderHandler::OnScrollOffsetChanged.
- Add new RT_PING and RT_SERVICE_WORKER resource type values.
- The resource type for image sub-resource loads has changed from RT_IMAGE to RT_PREFETCH (this is a regression, see http://crbug.com/415253#c23).
- Add a patch to fix a crash in Scheduler::swapQueuesRunPendingTasks* (http://crbug.com/415478).
- Add documentation for cef_key_event_type_t values.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1846 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

patch/patches/gritsettings.patch

@@ -1,5 +1,5 @@
 diff --git resource_ids resource_ids
-index 3b8768e..cde0ceb 100644
+index 9cd707c..5bb858c 100644
 --- resource_ids
 +++ resource_ids
 @@ -16,6 +16,12 @@
@@ -13,5 +13,5 @@ index 3b8768e..cde0ceb 100644
 +    "messages": [28000],
 +  },
    "chrome/browser/browser_resources.grd": {
-     "includes": [500],
+     "includes": [400],
      "structures": [750],