First draft to enable turning off compositor for unit tests.

views/view.cc

Index: views/view.cc
diff --git a/views/view.cc b/views/view.cc
index b130be0013e0681ffc0bc3c3a2cf6630291d5b6b..c7fd7622f10970ee519b53b0c7c8c97f8a162ab8 100644
--- a/views/view.cc
+++ b/views/view.cc
@@ -773,6 +773,11 @@ void View::set_use_acceleration_when_possible(bool use) {
   use_acceleration_when_possible = use;
 }
 
+// static
+bool View::get_use_acceleration_when_possible() {
+  return use_acceleration_when_possible;
+}
+
 // Input -----------------------------------------------------------------------
 
 View* View::GetEventHandlerForPoint(const gfx::Point& point) {