aura: Remove event-dispatch methods from WindowTreeHostDelegate interface.

ui/aura/root_window_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 "ui/aura/root_window.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/run_loop.h"
@@ skipping 99 matching lines @@
   scoped_ptr<aura::Window> window1(CreateTestWindowWithDelegate(
       delegate1.get(), -1234, bounds1, root_window()));
   scoped_ptr<aura::Window> window2(CreateTestWindowWithDelegate(
       delegate2.get(), -5678, bounds2, root_window()));
 
   // Send a mouse event to window1.
   gfx::Point point(101, 201);
   ui::MouseEvent event1(
       ui::ET_MOUSE_PRESSED, point, point, ui::EF_LEFT_MOUSE_BUTTON,
       ui::EF_LEFT_MOUSE_BUTTON);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(&event1);
+  DispatchEventUsingWindowDispatcher(&event1);
 
   // Event was tested for non-client area for the target window.
   EXPECT_EQ(1, delegate1->non_client_count());
   EXPECT_EQ(0, delegate2->non_client_count());
   // The non-client component test was in local coordinates.
   EXPECT_EQ(gfx::Point(1, 1), delegate1->non_client_location());
   // Mouse event was received by target window.
   EXPECT_EQ(1, delegate1->mouse_event_count());
   EXPECT_EQ(0, delegate2->mouse_event_count());
   // Event was in local coordinates.
@@ skipping 22 matching lines @@
   gfx::Point location;
   scoped_ptr<ui::MouseEvent> event;
 
   // Press the left button.
   event.reset(new ui::MouseEvent(
       ui::ET_MOUSE_PRESSED,
       location,
       location,
       ui::EF_LEFT_MOUSE_BUTTON,
       ui::EF_LEFT_MOUSE_BUTTON));
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(event.get());
+  DispatchEventUsingWindowDispatcher(event.get());
   EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
 
   // Additionally press the right.
   event.reset(new ui::MouseEvent(
       ui::ET_MOUSE_PRESSED,
       location,
       location,
       ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON,
       ui::EF_RIGHT_MOUSE_BUTTON));
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(event.get());
+  DispatchEventUsingWindowDispatcher(event.get());
   EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
 
   // Release the left button.
   event.reset(new ui::MouseEvent(
       ui::ET_MOUSE_RELEASED,
       location,
       location,
       ui::EF_RIGHT_MOUSE_BUTTON,
       ui::EF_LEFT_MOUSE_BUTTON));
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(event.get());
+  DispatchEventUsingWindowDispatcher(event.get());
   EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
 
   // Release the right button.  We should ignore the Shift-is-down flag.
   event.reset(new ui::MouseEvent(
       ui::ET_MOUSE_RELEASED,
       location,
       location,
       ui::EF_SHIFT_DOWN,
       ui::EF_RIGHT_MOUSE_BUTTON));
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(event.get());
+  DispatchEventUsingWindowDispatcher(event.get());
   EXPECT_FALSE(Env::GetInstance()->IsMouseButtonDown());
 
   // Press the middle button.
   event.reset(new ui::MouseEvent(
       ui::ET_MOUSE_PRESSED,
       location,
       location,
       ui::EF_MIDDLE_MOUSE_BUTTON,
       ui::EF_MIDDLE_MOUSE_BUTTON));
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(event.get());
+  DispatchEventUsingWindowDispatcher(event.get());
   EXPECT_TRUE(Env::GetInstance()->IsMouseButtonDown());
 }
 
 TEST_F(RootWindowTest, TranslatedEvent) {
   scoped_ptr<Window> w1(test::CreateTestWindowWithDelegate(NULL, 1,
       gfx::Rect(50, 50, 100, 100), root_window()));
 
   gfx::Point origin(100, 100);
   ui::MouseEvent root(ui::ET_MOUSE_PRESSED, origin, origin, 0, 0);
 
@@ skipping 124 matching lines @@
   // Prevent w3 from being deleted by the hierarchy since its delegate is owned
   // by this scope.
   w3->parent()->RemoveChild(w3.get());
 }
 
 TEST_F(RootWindowTest, IgnoreUnknownKeys) {
   test::TestEventHandler* filter = new ConsumeKeyHandler;
   root_window()->SetEventFilter(filter);  // passes ownership
 
   ui::KeyEvent unknown_event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN, 0, false);
-  EXPECT_FALSE(dispatcher()->AsWindowTreeHostDelegate()->OnHostKeyEvent(
-      &unknown_event));
+  DispatchEventUsingWindowDispatcher(&unknown_event);
+  EXPECT_FALSE(unknown_event.handled());
   EXPECT_EQ(0, filter->num_key_events());
 
   ui::KeyEvent known_event(ui::ET_KEY_PRESSED, ui::VKEY_A, 0, false);
-  EXPECT_TRUE(dispatcher()->AsWindowTreeHostDelegate()->OnHostKeyEvent(
-      &known_event));
+  DispatchEventUsingWindowDispatcher(&known_event);
+  EXPECT_TRUE(known_event.handled());
   EXPECT_EQ(1, filter->num_key_events());
 }
 
 TEST_F(RootWindowTest, NoDelegateWindowReceivesKeyEvents) {
   scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), NULL));
   w1->Show();
   w1->Focus();
 
   test::TestEventHandler handler;
   w1->AddPreTargetHandler(&handler);
   ui::KeyEvent key_press(ui::ET_KEY_PRESSED, ui::VKEY_A, 0, false);
-  EXPECT_TRUE(dispatcher()->AsWindowTreeHostDelegate()->OnHostKeyEvent(
-      &key_press));
+  DispatchEventUsingWindowDispatcher(&key_press);
+  EXPECT_TRUE(key_press.handled());
   EXPECT_EQ(1, handler.num_key_events());
 
   w1->RemovePreTargetHandler(&handler);
 }
 
 // Tests that touch-events that are beyond the bounds of the root-window do get
 // propagated to the event filters correctly with the root as the target.
 TEST_F(RootWindowTest, TouchEventsOutsideBounds) {
   test::TestEventHandler* filter = new test::TestEventHandler;
   root_window()->SetEventFilter(filter);  // passes ownership
 
   gfx::Point position = root_window()->bounds().origin();
   position.Offset(-10, -10);
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED, position, 0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&press);
+  DispatchEventUsingWindowDispatcher(&press);
   EXPECT_EQ(1, filter->num_touch_events());
 
   position = root_window()->bounds().origin();
   position.Offset(root_window()->bounds().width() + 10,
                   root_window()->bounds().height() + 10);
   ui::TouchEvent release(ui::ET_TOUCH_RELEASED, position, 0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&release);
+  DispatchEventUsingWindowDispatcher(&release);
   EXPECT_EQ(2, filter->num_touch_events());
 }
 
 // Tests that scroll events are dispatched correctly.
 TEST_F(RootWindowTest, ScrollEventDispatch) {
   base::TimeDelta now = ui::EventTimeForNow();
   test::TestEventHandler* filter = new test::TestEventHandler;
   root_window()->SetEventFilter(filter);
 
   test::TestWindowDelegate delegate;
   scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), &delegate));
   w1->SetBounds(gfx::Rect(20, 20, 40, 40));
 
   // A scroll event on the root-window itself is dispatched.
   ui::ScrollEvent scroll1(ui::ET_SCROLL,
                           gfx::Point(10, 10),
                           now,
                           0,
                           0, -10,
                           0, -10,
                           2);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostScrollEvent(&scroll1);
+  DispatchEventUsingWindowDispatcher(&scroll1);
   EXPECT_EQ(1, filter->num_scroll_events());
 
   // Scroll event on a window should be dispatched properly.
   ui::ScrollEvent scroll2(ui::ET_SCROLL,
                           gfx::Point(25, 30),
                           now,
                           0,
                           -10, 0,
                           -10, 0,
                           2);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostScrollEvent(&scroll2);
+  DispatchEventUsingWindowDispatcher(&scroll2);
   EXPECT_EQ(2, filter->num_scroll_events());
 }
 
 namespace {
 
 // FilterFilter that tracks the types of events it's seen.
 class EventFilterRecorder : public ui::EventHandler {
  public:
   typedef std::vector<ui::EventType> Events;
   typedef std::vector<gfx::Point> EventLocations;
@@ skipping 170 matching lines @@
 TEST_F(RootWindowTest, MouseMovesHeld) {
   EventFilterRecorder* filter = new EventFilterRecorder;
   root_window()->SetEventFilter(filter);  // passes ownership
 
   test::TestWindowDelegate delegate;
   scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
 
   ui::MouseEvent mouse_move_event(ui::ET_MOUSE_MOVED, gfx::Point(0, 0),
                                   gfx::Point(0, 0), 0, 0);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_move_event);
+  DispatchEventUsingWindowDispatcher(&mouse_move_event);
   // Discard MOUSE_ENTER.
   filter->Reset();
 
   dispatcher()->HoldPointerMoves();
 
   // Check that we don't immediately dispatch the MOUSE_DRAGGED event.
   ui::MouseEvent mouse_dragged_event(ui::ET_MOUSE_DRAGGED, gfx::Point(0, 0),
                                      gfx::Point(0, 0), 0, 0);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_dragged_event);
+  DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
   EXPECT_TRUE(filter->events().empty());
 
   // Check that we do dispatch the held MOUSE_DRAGGED event before another type
   // of event.
   ui::MouseEvent mouse_pressed_event(ui::ET_MOUSE_PRESSED, gfx::Point(0, 0),
                                      gfx::Point(0, 0), 0, 0);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_pressed_event);
+  DispatchEventUsingWindowDispatcher(&mouse_pressed_event);
   EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
             EventTypesToString(filter->events()));
   filter->Reset();
 
   // Check that we coalesce held MOUSE_DRAGGED events.
   ui::MouseEvent mouse_dragged_event2(ui::ET_MOUSE_DRAGGED, gfx::Point(1, 1),
                                       gfx::Point(1, 1), 0, 0);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_dragged_event);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_dragged_event2);
+  DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
+  DispatchEventUsingWindowDispatcher(&mouse_dragged_event2);
   EXPECT_TRUE(filter->events().empty());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_pressed_event);
+  DispatchEventUsingWindowDispatcher(&mouse_pressed_event);
   EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
             EventTypesToString(filter->events()));
   filter->Reset();
 
   // Check that on ReleasePointerMoves, held events are not dispatched
   // immediately, but posted instead.
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_dragged_event);
+  DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
   dispatcher()->ReleasePointerMoves();
   EXPECT_TRUE(filter->events().empty());
   RunAllPendingInMessageLoop();
   EXPECT_EQ("MOUSE_DRAGGED", EventTypesToString(filter->events()));
   filter->Reset();
 
   // However if another message comes in before the dispatch of the posted
   // event, check that the posted event is dispatched before this new event.
   dispatcher()->HoldPointerMoves();
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_dragged_event);
+  DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
   dispatcher()->ReleasePointerMoves();
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_pressed_event);
+  DispatchEventUsingWindowDispatcher(&mouse_pressed_event);
   EXPECT_EQ("MOUSE_DRAGGED MOUSE_PRESSED",
             EventTypesToString(filter->events()));
   filter->Reset();
   RunAllPendingInMessageLoop();
   EXPECT_TRUE(filter->events().empty());
 
   // Check that if the other message is another MOUSE_DRAGGED, we still coalesce
   // them.
   dispatcher()->HoldPointerMoves();
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_dragged_event);
+  DispatchEventUsingWindowDispatcher(&mouse_dragged_event);
   dispatcher()->ReleasePointerMoves();
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(
-      &mouse_dragged_event2);
+  DispatchEventUsingWindowDispatcher(&mouse_dragged_event2);
   EXPECT_EQ("MOUSE_DRAGGED", EventTypesToString(filter->events()));
   filter->Reset();
   RunAllPendingInMessageLoop();
   EXPECT_TRUE(filter->events().empty());
 }
 
 TEST_F(RootWindowTest, TouchMovesHeld) {
   EventFilterRecorder* filter = new EventFilterRecorder;
   root_window()->SetEventFilter(filter);  // passes ownership
 
   test::TestWindowDelegate delegate;
   scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1, gfx::Rect(50, 50, 100, 100), root_window()));
 
   const gfx::Point touch_location(60, 60);
   // Starting the touch and throwing out the first few events, since the system
   // is going to generate synthetic mouse events that are not relevant to the
   // test.
   ui::TouchEvent touch_pressed_event(ui::ET_TOUCH_PRESSED, touch_location,
                                      0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(
-      &touch_pressed_event);
+  DispatchEventUsingWindowDispatcher(&touch_pressed_event);
   filter->WaitUntilReceivedEvent(ui::ET_GESTURE_SHOW_PRESS);
   filter->Reset();
 
   dispatcher()->HoldPointerMoves();
 
   // Check that we don't immediately dispatch the TOUCH_MOVED event.
   ui::TouchEvent touch_moved_event(ui::ET_TOUCH_MOVED, touch_location,
                                    0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(
-      &touch_moved_event);
+  DispatchEventUsingWindowDispatcher(&touch_moved_event);
   EXPECT_TRUE(filter->events().empty());
 
   // Check that on ReleasePointerMoves, held events are not dispatched
   // immediately, but posted instead.
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(
-      &touch_moved_event);
+  DispatchEventUsingWindowDispatcher(&touch_moved_event);
   dispatcher()->ReleasePointerMoves();
   EXPECT_TRUE(filter->events().empty());
 
   RunAllPendingInMessageLoop();
   EXPECT_EQ("TOUCH_MOVED", EventTypesToString(filter->events()));
   filter->Reset();
 
   // If another touch event occurs then the held touch should be dispatched
   // immediately before it.
   ui::TouchEvent touch_released_event(ui::ET_TOUCH_RELEASED, touch_location,
                                       0, base::TimeDelta());
   filter->Reset();
   dispatcher()->HoldPointerMoves();
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(
-      &touch_moved_event);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(
-      &touch_released_event);
+  DispatchEventUsingWindowDispatcher(&touch_moved_event);
+  DispatchEventUsingWindowDispatcher(&touch_released_event);
   EXPECT_EQ("TOUCH_MOVED TOUCH_RELEASED GESTURE_TAP_CANCEL GESTURE_END",
             EventTypesToString(filter->events()));
   filter->Reset();
   dispatcher()->ReleasePointerMoves();
   RunAllPendingInMessageLoop();
   EXPECT_TRUE(filter->events().empty());
 }
 
 class HoldPointerOnScrollHandler : public test::TestEventHandler {
  public:
@@ skipping 66 matching lines @@
   scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
   window->Show();
   window->SetCapture();
 
   test::TestCursorClient cursor_client(root_window());
 
   // Dispatch a non-synthetic mouse event when mouse events are enabled.
   ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
                         gfx::Point(10, 10), 0, 0);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(&mouse1);
+  DispatchEventUsingWindowDispatcher(&mouse1);
   EXPECT_FALSE(filter->events().empty());
   filter->Reset();
 
   // Dispatch a synthetic mouse event when mouse events are enabled.
   ui::MouseEvent mouse2(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
                         gfx::Point(10, 10), ui::EF_IS_SYNTHESIZED, 0);
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(&mouse2);
+  DispatchEventUsingWindowDispatcher(&mouse2);
   EXPECT_FALSE(filter->events().empty());
   filter->Reset();
 
   // Dispatch a synthetic mouse event when mouse events are disabled.
   cursor_client.DisableMouseEvents();
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(&mouse2);
+  DispatchEventUsingWindowDispatcher(&mouse2);
   EXPECT_TRUE(filter->events().empty());
 }
 
 // Tests that a mouse exit is dispatched to the last known cursor location
 // when the cursor becomes invisible.
 TEST_F(RootWindowTest, DispatchMouseExitWhenCursorHidden) {
   EventFilterRecorder* filter = new EventFilterRecorder;
   root_window()->SetEventFilter(filter);  // passes ownership
 
   test::TestWindowDelegate delegate;
   gfx::Point window_origin(7, 18);
   scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1234, gfx::Rect(window_origin, gfx::Size(100, 100)),
       root_window()));
   window->Show();
 
   // Dispatch a mouse move event into the window.
   gfx::Point mouse_location(gfx::Point(15, 25));
   ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, mouse_location,
                         mouse_location, 0, 0);
   EXPECT_TRUE(filter->events().empty());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostMouseEvent(&mouse1);
+  DispatchEventUsingWindowDispatcher(&mouse1);
   EXPECT_FALSE(filter->events().empty());
   filter->Reset();
 
   // Hide the cursor and verify a mouse exit was dispatched.
   dispatcher()->OnCursorVisibilityChanged(false);
   EXPECT_FALSE(filter->events().empty());
   EXPECT_EQ("MOUSE_EXITED", EventTypesToString(filter->events()));
 
   // Verify the mouse exit was dispatched at the correct location
   // (in the correct coordinate space).
@@ skipping 494 matching lines @@
 }  // namespace
 
 // Verifies RootWindow doesn't reset |RootWindow::held_repostable_event_| after
 // dispatching. This is done by using DontResetHeldEventWindowDelegate, which
 // tracks the number of events with ui::EF_SHIFT_DOWN set (all reposted events
 // have EF_SHIFT_DOWN). When the first event is seen RepostEvent() is used to
 // schedule another reposted event.
 TEST_F(RootWindowTest, DontResetHeldEvent) {
   DontResetHeldEventWindowDelegate delegate(root_window());
   scoped_ptr<Window> w1(CreateNormalWindow(1, root_window(), &delegate));
-  WindowTreeHostDelegate* root_window_delegate =
-      static_cast<WindowTreeHostDelegate*>(root_window()->GetDispatcher());
   w1->SetBounds(gfx::Rect(0, 0, 40, 40));
   ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED,
                          gfx::Point(10, 10), gfx::Point(10, 10),
                          ui::EF_SHIFT_DOWN, 0);
   root_window()->GetDispatcher()->RepostEvent(pressed);
   ui::MouseEvent pressed2(ui::ET_MOUSE_PRESSED,
                           gfx::Point(10, 10), gfx::Point(10, 10), 0, 0);
-  // Invoke OnHostMouseEvent() to flush event scheduled by way of RepostEvent().
-  root_window_delegate->OnHostMouseEvent(&pressed2);
+  // Dispatch an event to flush event scheduled by way of RepostEvent().
+  DispatchEventUsingWindowDispatcher(&pressed2);
   // Delegate should have seen reposted event (identified by way of
-  // EF_SHIFT_DOWN). Invoke OnHostMouseEvent() to flush the second
+  // EF_SHIFT_DOWN). Dispatch another event to flush the second
   // RepostedEvent().
   EXPECT_EQ(1, delegate.mouse_event_count());
-  root_window_delegate->OnHostMouseEvent(&pressed2);
+  DispatchEventUsingWindowDispatcher(&pressed2);
   EXPECT_EQ(2, delegate.mouse_event_count());
 }
 
 namespace {
 
 // See description above DeleteRootFromHeldMouseEvent for details.
 class DeleteRootFromHeldMouseEventDelegate : public test::TestWindowDelegate {
  public:
   explicit DeleteRootFromHeldMouseEventDelegate(aura::RootWindow* root)
       : root_(root),
@@ skipping 57 matching lines @@
 TEST_F(RootWindowTest, WindowHideCancelsActiveTouches) {
   EventFilterRecorder* filter = new EventFilterRecorder;
   root_window()->SetEventFilter(filter);  // passes ownership
 
   test::TestWindowDelegate delegate;
   scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
 
   gfx::Point position1 = root_window()->bounds().origin();
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED, position1, 0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&press);
+  DispatchEventUsingWindowDispatcher(&press);
 
   EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN",
             EventTypesToString(filter->GetAndResetEvents()));
 
   window->Hide();
 
   EXPECT_EQ("TOUCH_CANCELLED GESTURE_TAP_CANCEL GESTURE_END",
             EventTypesToString(filter->events()));
 }
 
 TEST_F(RootWindowTest, WindowHideCancelsActiveGestures) {
   EventFilterRecorder* filter = new EventFilterRecorder;
   root_window()->SetEventFilter(filter);  // passes ownership
 
   test::TestWindowDelegate delegate;
   scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1, gfx::Rect(0, 0, 100, 100), root_window()));
 
   gfx::Point position1 = root_window()->bounds().origin();
   gfx::Point position2 = root_window()->bounds().CenterPoint();
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED, position1, 0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&press);
+  DispatchEventUsingWindowDispatcher(&press);
 
   ui::TouchEvent move(ui::ET_TOUCH_MOVED, position2, 0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&move);
+  DispatchEventUsingWindowDispatcher(&move);
 
   ui::TouchEvent press2(ui::ET_TOUCH_PRESSED, position1, 1, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&press2);
+  DispatchEventUsingWindowDispatcher(&press2);
 
   EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_MOVED "
             "GESTURE_TAP_CANCEL GESTURE_SCROLL_BEGIN GESTURE_SCROLL_UPDATE "
             "TOUCH_PRESSED GESTURE_BEGIN GESTURE_PINCH_BEGIN",
             EventTypesToString(filter->GetAndResetEvents()));
 
   window->Hide();
 
   EXPECT_EQ("TOUCH_CANCELLED GESTURE_PINCH_END GESTURE_END TOUCH_CANCELLED "
             "GESTURE_SCROLL_END GESTURE_END",
@@ skipping 10 matching lines @@
   scoped_ptr<Window> window2(CreateNormalWindow(2, root_window(), NULL));
   window2->SetBounds(gfx::Rect(40, 0, 40, 40));
 
   EventFilterRecorder* filter1 = new EventFilterRecorder();
   window1->SetEventFilter(filter1);  // passes ownership
   EventFilterRecorder* filter2 = new EventFilterRecorder();
   window2->SetEventFilter(filter2);  // passes ownership
 
   gfx::Point position = window1->bounds().origin();
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED, position, 0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&press);
+  DispatchEventUsingWindowDispatcher(&press);
 
   gfx::Point position2 = window1->bounds().CenterPoint();
   ui::TouchEvent move(ui::ET_TOUCH_MOVED, position2, 0, base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&move);
+  DispatchEventUsingWindowDispatcher(&move);
 
   window2->SetCapture();
 
   EXPECT_EQ("TOUCH_PRESSED GESTURE_BEGIN GESTURE_TAP_DOWN TOUCH_MOVED "
             "GESTURE_TAP_CANCEL GESTURE_SCROLL_BEGIN GESTURE_SCROLL_UPDATE "
             "TOUCH_CANCELLED GESTURE_SCROLL_END GESTURE_END",
             EventTypesToString(filter1->events()));
 
   EXPECT_TRUE(filter2->events().empty());
 }
@@ skipping 98 matching lines @@
 
   test::TestEventHandler handler_child;
   test::TestEventHandler handler_root;
   root_window()->AddPreTargetHandler(&handler_root);
   child->AddPreTargetHandler(&handler_child);
 
   {
     ui::MouseEvent move(ui::ET_MOUSE_MOVED,
                         gfx::Point(30, 30), gfx::Point(30, 30),
                         ui::EF_NONE, ui::EF_NONE);
-    ui::EventDispatchDetails details = dispatcher()->OnEventFromSource(&move);
-    ASSERT_FALSE(details.dispatcher_destroyed);
+    DispatchEventUsingWindowDispatcher(&move);
     EXPECT_EQ(0, handler_child.num_mouse_events());
     EXPECT_EQ(1, handler_root.num_mouse_events());
   }
 
   {
     ui::MouseEvent move(ui::ET_MOUSE_MOVED,
                         gfx::Point(50, 50), gfx::Point(50, 50),
                         ui::EF_NONE, ui::EF_NONE);
-    ui::EventDispatchDetails details = dispatcher()->OnEventFromSource(&move);
-    ASSERT_FALSE(details.dispatcher_destroyed);
+    DispatchEventUsingWindowDispatcher(&move);
     // The child receives an ENTER, and a MOVED event.
     EXPECT_EQ(2, handler_child.num_mouse_events());
     // The root receives both the ENTER and the MOVED events dispatched to
     // |child|, as well as an EXIT event.
     EXPECT_EQ(3, handler_root.num_mouse_events());
   }
 
   child->RemovePreTargetHandler(&handler_child);
   root_window()->RemovePreTargetHandler(&handler_root);
 }
@@ skipping 21 matching lines @@
   EXPECT_EQ("TOUCH_MOVED TOUCH_RELEASED GESTURE_SCROLL_END GESTURE_END",
             EventTypesToString(events));
   ASSERT_EQ(2u, filter->touch_locations().size());
   EXPECT_EQ(gfx::Point(-40, 10).ToString(),
             filter->touch_locations()[0].ToString());
   EXPECT_EQ(gfx::Point(-40, 10).ToString(),
             filter->touch_locations()[1].ToString());
 }
 
 }  // namespace aura