aura: Remove event-dispatch methods from WindowTreeHostDelegate interface.

ui/views/widget/native_widget_aura_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/views/widget/native_widget_aura.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 230 matching lines @@
   scoped_ptr<TestWidget> widget(new TestWidget());
   Widget::InitParams params(Widget::InitParams::TYPE_WINDOW_FRAMELESS);
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   params.context = root_window();
   params.bounds = gfx::Rect(0, 0, 100, 200);
   widget->Init(params);
   widget->SetContentsView(view);
   widget->Show();
 
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED, gfx::Point(41, 51), 1,
-                           base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&press);
+                       base::TimeDelta());
+  ui::EventDispatchDetails details = dispatcher()->OnEventFromSource(&press);
+  ASSERT_FALSE(details.dispatcher_destroyed);
   // Both views should get the press.
   EXPECT_TRUE(view->got_gesture_event());
   EXPECT_TRUE(child->got_gesture_event());
   view->clear_got_gesture_event();
   child->clear_got_gesture_event();
   // Touch events should not automatically grab capture.
   EXPECT_FALSE(widget->HasCapture());
 
   // Release touch. Only |view| should get the release since that it consumed
   // the press.
   ui::TouchEvent release(ui::ET_TOUCH_RELEASED, gfx::Point(250, 251), 1,
                              base::TimeDelta());
-  dispatcher()->AsWindowTreeHostDelegate()->OnHostTouchEvent(&release);
+  details = dispatcher()->OnEventFromSource(&release);
+  ASSERT_FALSE(details.dispatcher_destroyed);
   EXPECT_TRUE(view->got_gesture_event());
   EXPECT_FALSE(child->got_gesture_event());
   view->clear_got_gesture_event();
 
   // Work around for bug in NativeWidgetAura.
   // TODO: fix bug and remove this.
   widget->Close();
 }
 
 // Verifies views with layers are targeted for events properly.
@@ skipping 86 matching lines @@
   scoped_ptr<Widget> widget(new Widget());
   NativeWidgetAura* window = Init(parent.get(), widget.get());
   window->Show();
   window->Close();
   base::MessageLoop::current()->RunUntilIdle();
   widget->GetNativeTheme();  // Shouldn't crash.
 }
 
 }  // namespace
 }  // namespace views