More surgery to remove views desktop.

chrome/browser/ui/touch/sensors/screen_orientation_listener.cc

Index: chrome/browser/ui/touch/sensors/screen_orientation_listener.cc
diff --git a/chrome/browser/ui/touch/sensors/screen_orientation_listener.cc b/chrome/browser/ui/touch/sensors/screen_orientation_listener.cc
deleted file mode 100644
index c0085000be849191d0c5c02b15277e4001246fc7..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/touch/sensors/screen_orientation_listener.cc
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright (c) 2011 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 "chrome/browser/ui/touch/sensors/screen_orientation_listener.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "content/browser/sensors/sensors_provider.h"
-#include "ui/gfx/compositor/layer.h"
-#include "ui/gfx/compositor/layer_animation_sequence.h"
-#include "ui/gfx/compositor/layer_animator.h"
-#include "ui/gfx/compositor/screen_rotation.h"
-#include "ui/gfx/interpolated_transform.h"
-#include "ui/views/desktop/desktop_window_view.h"
-
-#if defined(USE_AURA)
-#include "ui/aura/desktop.h"
-#endif
-
-namespace {
-
-// Converts degrees to an angle in the range [-180, 180).
-int NormalizeAngle(int degrees) {
-  while (degrees <= -180) degrees += 360;
-  while (degrees > 180) degrees -= 360;
-  return degrees;
-}
-
-static int SymmetricRound(float x) {
-  return static_cast<int>(
-    x > 0
-      ? std::floor(x + 0.5f)
-      : std::ceil(x - 0.5f));
-}
-
-}  // namespace
-
-ScreenOrientationListener::ScreenOrientationListener() {
-  sensors::Provider::GetInstance()->AddListener(this);
-}
-
-ScreenOrientationListener::~ScreenOrientationListener() {
-  sensors::Provider::GetInstance()->RemoveListener(this);
-}
-
-void ScreenOrientationListener::OnScreenOrientationChanged(
-    const sensors::ScreenOrientation& change) {
-  ui::Layer* to_rotate = NULL;
-  ui::LayerAnimationObserver* observer = NULL;
-#if defined(USE_AURA)
-  aura::Desktop* aura_desktop = aura::Desktop::GetInstance();
-  if (aura_desktop) {
-    to_rotate = aura_desktop->layer();
-    observer = aura_desktop;
-  }
-#endif
-  if (!to_rotate) {
-    views::desktop::DesktopWindowView* views_desktop =
-        views::desktop::DesktopWindowView::desktop_window_view;
-    if (views_desktop) {
-      views_desktop->SetPaintToLayer(true);
-      to_rotate = views_desktop->layer();
-      observer = views_desktop;
-    }
-  }
-
-  if (!to_rotate || !observer)
-    return;
-
-  bool should_rotate = true;
-  int new_degrees = 0;
-  switch (change.upward) {
-    case sensors::ScreenOrientation::TOP: break;
-    case sensors::ScreenOrientation::RIGHT: new_degrees = 90; break;
-    case sensors::ScreenOrientation::LEFT: new_degrees = -90; break;
-    case sensors::ScreenOrientation::BOTTOM: new_degrees = 180; break;
-    // Ignore front and back orientations.
-    default: should_rotate = false;
-  }
-
-  if (!should_rotate)
-    return;
-
-  float rotation = 0.0f;
-  int delta = 0;
-  const ui::Transform& transform = to_rotate->GetTargetTransform();
-  if (ui::InterpolatedTransform::FactorTRS(transform,
-                                           NULL, &rotation, NULL))
-    delta = NormalizeAngle(new_degrees - SymmetricRound(rotation));
-
-  // No rotation to do.
-  if (delta == 0)
-    return;
-
-  scoped_ptr<ui::LayerAnimationSequence> screen_rotation(
-      new ui::LayerAnimationSequence(new ui::ScreenRotation(delta)));
-  screen_rotation->AddObserver(observer);
-  to_rotate->GetAnimator()->set_preemption_strategy(
-      ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS);
-  to_rotate->GetAnimator()->ScheduleAnimation(screen_rotation.release());
-}
-
-// static
-ScreenOrientationListener* ScreenOrientationListener::GetInstance() {
-  return Singleton<ScreenOrientationListener>::get();
-}