Fix the wrong relative coordinates from EventDispatch

ui/aura/window_event_dispatcher_unittest.cc

Index: ui/aura/window_event_dispatcher_unittest.cc
diff --git a/ui/aura/window_event_dispatcher_unittest.cc b/ui/aura/window_event_dispatcher_unittest.cc
index 25f9186836352a8ebc582cb18e76a84e45e36177..f2a3b796bb522eeb6b5dc82d89dd756419ebea43 100644
--- a/ui/aura/window_event_dispatcher_unittest.cc
+++ b/ui/aura/window_event_dispatcher_unittest.cc
@@ -807,6 +807,36 @@ TEST_F(WindowEventDispatcherTest, TouchMovesHeld) {
   EXPECT_TRUE(recorder.events().empty());
 }
 
+// Tests that mouse move event has a right location
+// when there isn't the target window
+TEST_F(WindowEventDispatcherTest, MouseEventWithoutTargetWindow) {
+  EventFilterRecorder recorder_first;
+  EventFilterRecorder recorder_second;
+
+  test::TestWindowDelegate delegate;
+  scoped_ptr<aura::Window> window_first(CreateTestWindowWithDelegate(
+      &delegate, 1, gfx::Rect(20, 10, 10, 20), root_window()));
+  window_first->Show();
+  window_first->AddPreTargetHandler(&recorder_first);
+
+  scoped_ptr<aura::Window> window_second(CreateTestWindowWithDelegate(
+      &delegate, 2, gfx::Rect(20, 30, 10, 20), root_window()));
+  window_second->Show();
+  window_second->AddPreTargetHandler(&recorder_second);
+
+  const gfx::Point event_location(22, 33);
+  ui::MouseEvent mouse(ui::ET_MOUSE_MOVED, event_location,
+                        event_location, 0, 0);
+  DispatchEventUsingWindowDispatcher(&mouse);
+
+  EXPECT_TRUE(recorder_first.events().empty());
+  EXPECT_FALSE(recorder_second.events().empty());

[sky, 2014/12/18 20:29:29]

Doesn't 834 handle this assertion?

+  EXPECT_EQ("MOUSE_ENTERED MOUSE_MOVED",
+            EventTypesToString(recorder_second.events()));
+  EXPECT_EQ(gfx::Point(2, 3).ToString(),

[sky, 2014/12/18 20:29:29]

You need to assert mouse_locations() is non-empty, otherwise if it is empty this
line crashes.

+            recorder_second.mouse_locations()[0].ToString());
+}
+
 // Verifies that a direct call to ProcessedTouchEvent() with a
 // TOUCH_PRESSED event does not cause a crash.
 TEST_F(WindowEventDispatcherTest, CallToProcessedTouchEvent) {