Thread ui transform animations

ui/aura/root_window.cc

 // Copyright (c) 2012 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.h"
 
 #include <vector>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 412 matching lines @@
 }
 
 gfx::Point RootWindow::GetLastMouseLocationInRoot() const {
   gfx::Point location = Env::GetInstance()->last_mouse_location();
   client::ScreenPositionClient* client = client::GetScreenPositionClient(this);
   if (client)
     client->ConvertPointFromScreen(this, &location);
   return location;
 }
 
+void RootWindow::DelayDrawsForTesting(base::TimeDelta delay) {
+  draw_scheduling_delay_for_testing_ = delay;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // RootWindow, Window overrides:
 
 RootWindow* RootWindow::GetRootWindow() {
   return this;
 }
 
 const RootWindow* RootWindow::GetRootWindow() const {
   return this;
 }
@@ skipping 13 matching lines @@
 ui::EventTarget* RootWindow::GetParentTarget() {
   return client::GetEventClient(this) ?
       client::GetEventClient(this)->GetToplevelEventTarget() :
           Env::GetInstance();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // RootWindow, ui::CompositorDelegate implementation:
 
 void RootWindow::ScheduleDraw() {
-  if (!defer_draw_scheduling_) {
-    defer_draw_scheduling_ = true;
+  if (defer_draw_scheduling_)
+    return;
+
+  defer_draw_scheduling_ = true;
+  if (draw_scheduling_delay_for_testing_ == base::TimeDelta()) {
     MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&RootWindow::Draw, schedule_paint_factory_.GetWeakPtr()));
+  } else {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&RootWindow::Draw, schedule_paint_factory_.GetWeakPtr()),
+        draw_scheduling_delay_for_testing_);
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // RootWindow, ui::CompositorObserver implementation:
 
 void RootWindow::OnCompositingDidCommit(ui::Compositor*) {
 }
 
 void RootWindow::OnCompositingStarted(ui::Compositor*,
@@ skipping 557 matching lines @@
   // currently broken. See/ crbug.com/107931.
   ui::MouseEvent event(ui::ET_MOUSE_MOVED,
                        orig_mouse_location,
                        orig_mouse_location,
                        ui::EF_IS_SYNTHESIZED);
   event.set_system_location(Env::GetInstance()->last_mouse_location());
   OnHostMouseEvent(&event);
 }
 
 }  // namespace aura