Update ui::PointerEvent to support mouse wheel and capture change events.

services/ui/ws/event_dispatcher_unittest.cc

 // Copyright 2015 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 "services/ui/ws/event_dispatcher.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <queue>
@@ skipping 181 matching lines @@
 }
 
 void RunMouseEventTests(EventDispatcher* dispatcher,
                         TestEventDispatcherDelegate* dispatcher_delegate,
                         MouseEventTest* tests,
                         size_t test_count) {
   for (size_t i = 0; i < test_count; ++i) {
     const MouseEventTest& test = tests[i];
     ASSERT_FALSE(dispatcher_delegate->has_queued_events())
         << " unexpected queued events before running " << i;
-    if (test.input_event.IsMouseWheelEvent())
-      dispatcher->ProcessEvent(test.input_event,
-                               EventDispatcher::AcceleratorMatchPhase::ANY);
-    else
-      dispatcher->ProcessEvent(ui::PointerEvent(test.input_event),
-                               EventDispatcher::AcceleratorMatchPhase::ANY);
+    dispatcher->ProcessEvent(ui::PointerEvent(test.input_event),
+                             EventDispatcher::AcceleratorMatchPhase::ANY);
 
     std::unique_ptr<DispatchedEventDetails> details =
         dispatcher_delegate->GetAndAdvanceDispatchedEventDetails();
     ASSERT_NO_FATAL_FAILURE(ExpectDispatchedEventDetailsMatches(
         details.get(), test.expected_target_window1,
         test.expected_root_location1, test.expected_location1))
         << " details don't match " << i;
     details = dispatcher_delegate->GetAndAdvanceDispatchedEventDetails();
     ASSERT_NO_FATAL_FAILURE(ExpectDispatchedEventDetailsMatches(
         details.get(), test.expected_target_window2,
@@ skipping 1488 matching lines @@
   // The delegate can decide if it really wants to forward the event or not.
   EXPECT_EQ(child.get(),
             test_event_dispatcher_delegate()->lost_capture_window());
   EXPECT_EQ(child.get(), event_dispatcher()->capture_window());
   EXPECT_EQ(kClientAreaId, event_dispatcher()->capture_window_client_id());
 }
 
 }  // namespace test
 }  // namespace ws
 }  // namespace ui