aura: Remove WindowTreeHost::QueryMouseLocation().

ui/aura/window_unittest.cc

Index: ui/aura/window_unittest.cc
diff --git a/ui/aura/window_unittest.cc b/ui/aura/window_unittest.cc
index fcec27869a7c58a8ab5560acab9bcf7e1cd9c33c..322a47a898bc2f4b15b14b668a446cd85899399c 100644
--- a/ui/aura/window_unittest.cc
+++ b/ui/aura/window_unittest.cc
@@ -19,6 +19,7 @@
 #include "ui/aura/client/visibility_client.h"
 #include "ui/aura/client/window_tree_client.h"
 #include "ui/aura/test/aura_test_base.h"
+#include "ui/aura/test/aura_test_utils.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/test/test_windows.h"
@@ -374,9 +375,10 @@ TEST_F(WindowTest, MoveCursorToWithTransformRootWindow) {
   host()->MoveCursorTo(gfx::Point(10, 10));
 #if !defined(OS_WIN)
   gfx::Point mouse_location;
-  EXPECT_TRUE(host()->QueryMouseLocation(&mouse_location));
+  WindowTreeHostTestApi test_api(host());
   // TODO(yoshiki): fix this to build on Windows. See crbug.com/133413.OD
-  EXPECT_EQ("50,120", mouse_location.ToString());
+  EXPECT_EQ("50,120",
+            test_api.last_cursor_request_position_in_host().ToString());
 #endif
   EXPECT_EQ("10,10", gfx::Screen::GetScreenFor(
       root_window())->GetCursorScreenPoint().ToString());
@@ -461,9 +463,9 @@ TEST_F(WindowTest, MoveCursorToWithComplexTransform) {
 
 #if !defined(OS_WIN)
   // TODO(yoshiki): fix this to build on Windows. See crbug.com/133413.
-  gfx::Point mouse_location;
-  EXPECT_TRUE(host()->QueryMouseLocation(&mouse_location));
-  EXPECT_EQ("169,80", mouse_location.ToString());
+  WindowTreeHostTestApi test_api(host());
+  EXPECT_EQ("169,80",
+            test_api.last_cursor_request_position_in_host().ToString());
 #endif
   EXPECT_EQ("20,53",
       gfx::Screen::GetScreenFor(root)->GetCursorScreenPoint().ToString());