Be explicit about forcing TouchSelectionController updates

ui/touch_selection/touch_selection_controller_unittest.cc

 // Copyright 2014 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/touch_selection/touch_selection_controller.h"
 
 #include <vector>
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 928 matching lines @@
 
 TEST_F(TouchSelectionControllerTest, AllowShowingFromCurrentSelection) {
   gfx::RectF start_rect(5, 5, 0, 10);
   gfx::RectF end_rect(50, 5, 0, 10);
   bool visible = true;
 
   // The selection should not be activated, as it wasn't yet allowed.
   ChangeSelection(start_rect, visible, end_rect, visible);
   EXPECT_EQ(gfx::PointF(), GetLastEventStart());
 
+  // A longpress should have no immediate effect.
+  controller().OnLongPressEvent();
+
   // Now explicitly allow showing from the previously supplied bounds.
   controller().AllowShowingFromCurrentSelection();
   EXPECT_THAT(GetAndResetEvents(), ElementsAre(SELECTION_SHOWN));
   EXPECT_EQ(start_rect.bottom_left(), GetLastEventStart());
 
   // Repeated calls to show from the current selection should be ignored.
   controller().AllowShowingFromCurrentSelection();
   EXPECT_THAT(GetAndResetEvents(), IsEmpty());
   EXPECT_EQ(start_rect.bottom_left(), GetLastEventStart());
 
   // Trying to show from an empty selection will have no result.
   ClearSelection();
   EXPECT_THAT(GetAndResetEvents(), ElementsAre(SELECTION_CLEARED));
   controller().AllowShowingFromCurrentSelection();
   EXPECT_THAT(GetAndResetEvents(), IsEmpty());
 
   // Showing the insertion handle should also be supported.
   controller().OnSelectionEditable(true);
   controller().OnSelectionEmpty(false);
   controller().HideAndDisallowShowingAutomatically();
   gfx::RectF insertion_rect(5, 5, 0, 10);
   ChangeInsertion(insertion_rect, visible);
   controller().AllowShowingFromCurrentSelection();
   EXPECT_THAT(GetAndResetEvents(), ElementsAre(INSERTION_SHOWN));
   EXPECT_EQ(insertion_rect.bottom_left(), GetLastEventStart());
 }
 
 }  // namespace ui