Revert of Move GetCursor() method from WindowDelegate to its own delegate interface CursorDelegate.

ui/views/controls/native/native_view_host_aura.cc

Index: ui/views/controls/native/native_view_host_aura.cc
diff --git a/ui/views/controls/native/native_view_host_aura.cc b/ui/views/controls/native/native_view_host_aura.cc
index edd65a61d34c64b60ba93a7630bc147bb88986ae..49bf733bbe2ae06567f1b9d148db2255b743ab85 100644
--- a/ui/views/controls/native/native_view_host_aura.cc
+++ b/ui/views/controls/native/native_view_host_aura.cc
@@ -11,7 +11,6 @@
 #include "ui/views/controls/native/native_view_host.h"
 #include "ui/views/view_constants_aura.h"
 #include "ui/views/widget/widget.h"
-#include "ui/wm/public/cursor_delegate.h"
 
 namespace views {
 
@@ -103,11 +102,8 @@
 }
 
 gfx::NativeCursor NativeViewHostAura::GetCursor(int x, int y) {
-  if (host_->native_view()) {
-    wm::CursorDelegate* delegate = wm::GetCursorDelegate(host_->native_view());
-    if (delegate)
-      return delegate->GetCursorForPoint(gfx::Point(x, y));
-  }
+  if (host_->native_view())
+    return host_->native_view()->GetCursor(gfx::Point(x, y));
   return gfx::kNullCursor;
 }