[EXPERIMENT] MacViews: Implement Tab Dragging

ui/base/test/ui_controls.h

Index: ui/base/test/ui_controls.h
diff --git a/ui/base/test/ui_controls.h b/ui/base/test/ui_controls.h
index 4fc54abb126c56a822c587540300e742c586f143..c1ed4be11ba8b58eb8f7e22ce2a9a048d6b95e64 100644
--- a/ui/base/test/ui_controls.h
+++ b/ui/base/test/ui_controls.h
@@ -10,6 +10,10 @@
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/native_widget_types.h"
 
+namespace gfx {
+class Point;
+}  // namespace gfx
+
 namespace ui_controls {
 
 // A set of utility functions to generate native events in platform
@@ -106,6 +110,20 @@ void InstallUIControlsAura(UIControlsAura* instance);
 // to traverse to the desired item; because the application is configured to
 // traverse more elements for accessibility reasons.
 bool IsFullKeyboardAccessEnabled();
+
+// When |enable_cgevents| is true, all simulated mouse events will be posted to
+// the WindowServer, and the actual mouse will move on the screen.
+void SetSendMouseEventsAsCGEvents(bool enable_cgevents);
+bool SendMouseEventsAsCGEvents();
+
+// Invokes |task| when an application starts processing an event that matches
+// |event|.
+void NotifyWhenEventIsProcessed(NSEvent* event, const base::Closure& task);
+
+// If |enable_override| is true, overrides result returned by +[NSEvent
+// mouseLocation] to |p| without generating mouse move events. Override is in
+// effect until called with |enable_override| == false.
+void SetMousePositionOverride(bool enable_override, const gfx::Point& p);
 #endif
 
 }  // namespace ui_controls