trimmed release 36.0.1985.143
Rebase 'feature/bbEnhancements' from upstream/35.0.1916.153 onto upstream/36.0.1985.143

Conflicts:
	src/third_party/WebKit/Source/core/frame/DOMWindow.cpp
	src/third_party/WebKit/Source/web/ContextMenuClientImpl.cpp
Fix compile errors for v36

* PerWorldBindings IDL attribute has been removed from non wrapper type
  attributes (https://codereview.chromium.org/256263002)
* Range::commonAncestorContainer no longer takes an argument
  (https://codereview.chromium.org/252783002)