Views which cannot process events cannot be tooltip targets

ui/views/view_unittest.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 <map>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/rand_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 1293 matching lines @@
   result_view = NULL;
   result_view = root_view->GetTooltipHandlerForPoint(point_in_v_child);
   EXPECT_EQ(v_child, result_view);
   result_view = NULL;
 
   result_view = root_view->GetEventHandlerForRect(rect_in_v);
   EXPECT_EQ(v, result_view);
   result_view = NULL;
   result_view = root_view->GetTooltipHandlerForPoint(point_in_v);
   EXPECT_EQ(v, result_view);
+
+  // When |v_grandchild| returns false when CanProcessEventsWithinSubtree()
+  // is called, then NULL should be returned as a target if we call
+  // GetTooltipHandlerForPoint() with |v_grandchild| as the root of the
+  // views tree. Note that the location must be in the coordinate space
+  // of the root view (|v_grandchild| in this case), so use (1, 1).
+
+  result_view = v_grandchild;
+  result_view = v_grandchild->GetTooltipHandlerForPoint(gfx::Point(1, 1));
+  EXPECT_EQ(NULL, result_view);
   result_view = NULL;
 
   // When |v_child| returns false when CanProcessEventsWithinSubtree()
   // is called, then neither |v_child| nor |v_grandchild| can be returned
   // as a target (|v| should be returned as the target for each case).
 
   v_grandchild->Reset();
   v_child->set_can_process_events_within_subtree(false);
 
   result_view = root_view->GetEventHandlerForRect(rect_in_v_grandchild);
@@ skipping 2631 matching lines @@
   // notification.
   TestView* test_view_child_2 = new TestView();
   test_view->AddChildView(test_view_child_2);
   EXPECT_TRUE(test_view_child_2->native_theme_);
   EXPECT_EQ(widget->GetNativeTheme(), test_view_child_2->native_theme_);
 
   widget->CloseNow();
 }
 
 }  // namespace views