gesture recognizer: Expose bounding-box for the points in a gesture-event.

ui/aura/test/aura_test_base.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/test/aura_test_base.h"
 
 #include "ui/aura/test/aura_test_helper.h"
 #include "ui/base/gestures/gesture_configuration.h"
 #include "ui/base/ime/text_input_test_support.h"
 
@@ skipping 25 matching lines @@
   ui::GestureConfiguration::set_min_distance_for_pinch_scroll_in_pixels(20);
   ui::GestureConfiguration::set_min_flick_speed_squared(550.f * 550.f);
   ui::GestureConfiguration::set_min_pinch_update_distance_in_pixels(5);
   ui::GestureConfiguration::set_min_rail_break_velocity(200);
   ui::GestureConfiguration::set_min_scroll_delta_squared(5 * 5);
   ui::GestureConfiguration::
       set_min_touch_down_duration_in_seconds_for_click(0.01);
   ui::GestureConfiguration::set_points_buffered_for_velocity(10);
   ui::GestureConfiguration::set_rail_break_proportion(15);
   ui::GestureConfiguration::set_rail_start_proportion(2);
+  ui::GestureConfiguration::set_default_radius(0);
   helper_.reset(new AuraTestHelper(&message_loop_));
   helper_->SetUp();
 }
 
 void AuraTestBase::TearDown() {
   // Flush the message loop because we have pending release tasks
   // and these tasks if un-executed would upset Valgrind.
   RunAllPendingInMessageLoop();
 
   helper_->TearDown();
   ui::TextInputTestSupport::Shutdown();
   testing::Test::TearDown();
 }
 
 void AuraTestBase::RunAllPendingInMessageLoop() {
   helper_->RunAllPendingInMessageLoop();
 }
 
 }  // namespace test
 }  // namespace aura