ash: Use different hit-test outer-region for mouse and touch events.

ui/aura/window.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/aura/window.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 477 matching lines @@
 }
 
 bool Window::ContainsPoint(const gfx::Point& local_point) const {
   return gfx::Rect(bounds().size()).Contains(local_point);
 }
 
 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(hit_test_bounds_override_outer_);
+  local_bounds.Inset(aura::Env::GetInstance()->is_touch_down() ?
+      hit_test_bounds_override_outer_touch_ :
+      hit_test_bounds_override_outer_mouse_);
 
   if (!delegate_ || !delegate_->HasHitTestMask())
     return local_bounds.Contains(local_point);
 
   gfx::Path mask;
   delegate_->GetHitTestMask(&mask);
 
   SkRegion clip_region;
   clip_region.setRect(local_bounds.x(), local_bounds.y(),
                       local_bounds.width(), local_bounds.height());
@@ skipping 432 matching lines @@
   for (Windows::const_reverse_iterator it = children_.rbegin(),
            rend = children_.rend();
        it != rend; ++it) {
     Window* child = *it;
     child->PrintWindowHierarchy(depth + 1);
   }
 }
 #endif
 
 }  // namespace aura