Creating multi profile animations for switching users and teleporting of windows.

chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc

Index: chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc
diff --git a/chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc b/chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc
index f931995ebd8ec6de8df5b3191f8752572954d312..a4dcf449e0deb84ff883a340cd48ed06fd32d283 100644
--- a/chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc
+++ b/chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc
@@ -40,7 +40,9 @@ bool IsNormalWallpaperChange() {
 
 class UserWallpaperDelegate : public ash::UserWallpaperDelegate {
  public:
-  UserWallpaperDelegate() : boot_animation_finished_(false) {
+  UserWallpaperDelegate()
+      : boot_animation_finished_(false),
+        animation_duration_override_in_ms_(0) {
   }
 
   virtual ~UserWallpaperDelegate() {
@@ -52,6 +54,15 @@ class UserWallpaperDelegate : public ash::UserWallpaperDelegate {
         static_cast<int>(views::corewm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
   }
 
+  virtual int GetAnimationDurationOverride() OVERRIDE {
+    return animation_duration_override_in_ms_;
+  }
+
+  virtual void SetAnimationDurationOverride(
+      int animation_duration_in_ms) OVERRIDE {
+    animation_duration_override_in_ms_ = animation_duration_in_ms;
+  }
+
   virtual bool ShouldShowInitialAnimation() OVERRIDE {
     if (IsNormalWallpaperChange() || boot_animation_finished_)
       return false;
@@ -103,6 +114,9 @@ class UserWallpaperDelegate : public ash::UserWallpaperDelegate {
  private:
   bool boot_animation_finished_;
 
+  // The animation duration to show a new wallpaper if an animation is required.
+  int animation_duration_override_in_ms_;
+
   DISALLOW_COPY_AND_ASSIGN(UserWallpaperDelegate);
 };