aura: Remove Window::SetHitTestBoundsOverrideOuter() and related methods.

ui/aura/window.cc

Index: ui/aura/window.cc
diff --git a/ui/aura/window.cc b/ui/aura/window.cc
index 4645659b3ad56ea891387eff4e9190837c33cefe..8faee5c377109b081fbb6863adf1ee0c9b123bb8 100644
--- a/ui/aura/window.cc
+++ b/ui/aura/window.cc
@@ -664,13 +664,7 @@ bool Window::ContainsPoint(const gfx::Point& local_point) const {
 }
 
 bool Window::HitTest(const gfx::Point& local_point) {
-  // Expand my bounds for hit testing (override is usually zero but it's
-  // probably cheaper to do the math every time than to branch).
-  gfx::Rect local_bounds(gfx::Point(), bounds().size());
-  local_bounds.Inset(aura::Env::GetInstance()->is_touch_down() ?
-      hit_test_bounds_override_outer_touch_ :
-      hit_test_bounds_override_outer_mouse_);
-
+  gfx::Rect local_bounds(bounds().size());
   if (!delegate_ || !delegate_->HasHitTestMask())
     return local_bounds.Contains(local_point);