Adding Ozone CursorLoader and necessary API functions to allow setting the cursor in SoftwareFactor…

ui/aura/root_window_host_ozone.cc

 // Copyright 2013 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_host_ozone.h"
 
 #include "ui/aura/root_window.h"
 #include "ui/events/ozone/event_factory_ozone.h"
 #include "ui/gfx/ozone/surface_factory_ozone.h"
 #include "ui/ozone/ozone_platform.h"
@@ skipping 20 matching lines @@
   CreateCompositor(GetAcceleratedWidget());
 }
 
 WindowTreeHostOzone::~WindowTreeHostOzone() {
   base::MessagePumpOzone::Current()->RemoveDispatcherForRootWindow(0);
   DestroyCompositor();
 }
 
 uint32_t WindowTreeHostOzone::Dispatch(const base::NativeEvent& ne) {
   ui::Event* event = static_cast<ui::Event*>(ne);
+
+  if (event->type() == ui::ET_MOUSE_MOVED) {
+    ui::MouseEvent* mouse_event = static_cast<ui::MouseEvent*>(event);
+    gfx::SurfaceFactoryOzone::GetInstance()->MoveCursorTo(
+        mouse_event->location());
+  }
+
   ui::EventDispatchDetails details ALLOW_UNUSED = SendEventToProcessor(event);
   return POST_DISPATCH_NONE;
 }
 
 RootWindow* WindowTreeHostOzone::GetRootWindow() {
   return delegate_->AsRootWindow();
 }
 
 gfx::AcceleratedWidget WindowTreeHostOzone::GetAcceleratedWidget() {
   return widget_;
@@ skipping 19 matching lines @@
 
 gfx::Point WindowTreeHostOzone::GetLocationOnNativeScreen() const {
   return bounds_.origin();
 }
 
 void WindowTreeHostOzone::SetCapture() { NOTIMPLEMENTED(); }
 
 void WindowTreeHostOzone::ReleaseCapture() { NOTIMPLEMENTED(); }
 
 void WindowTreeHostOzone::SetCursor(gfx::NativeCursor cursor) {
-  NOTIMPLEMENTED();
+  gfx::SurfaceFactoryOzone::GetInstance()->SetCursorImage(*cursor.platform());
 }
 
 bool WindowTreeHostOzone::QueryMouseLocation(gfx::Point* location_return) {
   NOTIMPLEMENTED();
   return false;
 }
 
 bool WindowTreeHostOzone::ConfineCursorToRootWindow() {
   NOTIMPLEMENTED();
   return false;
 }
 
 void WindowTreeHostOzone::UnConfineCursor() { NOTIMPLEMENTED(); }
 
 void WindowTreeHostOzone::OnCursorVisibilityChanged(bool show) {
   NOTIMPLEMENTED();
 }
 
 void WindowTreeHostOzone::MoveCursorTo(const gfx::Point& location) {
-  NOTIMPLEMENTED();
+  gfx::SurfaceFactoryOzone::GetInstance()->MoveCursorTo(location);
 }
 
 void WindowTreeHostOzone::PostNativeEvent(
     const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
 }
 
 void WindowTreeHostOzone::OnDeviceScaleFactorChanged(
     float device_scale_factor) {
   NOTIMPLEMENTED();
@@ skipping 10 matching lines @@
   return new WindowTreeHostOzone(bounds);
 }
 
 // static
 gfx::Size WindowTreeHost::GetNativeScreenSize() {
   NOTIMPLEMENTED();
   return gfx::Size();
 }
 
 }  // namespace aura