1 files changed, 0 insertions, 111 deletions
diff --git a/ash/wm/video_detector.cc b/ash/wm/video_detector.cc
deleted file mode 100644
index 8be1e4f..0000000
--- a/ash/wm/video_detector.cc
+++ /dev/null
@@ -1,111 +0,0 @@
-// 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 "ash/wm/video_detector.h"
-
-#include "ui/aura/root_window.h"
-#include "ui/aura/window.h"
-#include "ui/gfx/rect.h"
-
-namespace ash {
-
-const int VideoDetector::kMinUpdateWidth = 300;
-const int VideoDetector::kMinUpdateHeight = 225;
-const int VideoDetector::kMinFramesPerSecond = 15;
-const double VideoDetector::kNotifyIntervalSec = 1.0;
-
-// Stores information about updates to a window and determines whether it's
-// likely that a video is playing in it.
-class VideoDetector::WindowInfo {
- public:
-  WindowInfo() : num_video_updates_in_second_(0) {}
-
-  // Handles an update within a window, returning true if this update made us
-  // believe that a video is playing in the window.  true is returned at most
-  // once per second.
-  bool RecordUpdateAndCheckForVideo(const gfx::Rect& region,
-                                    base::TimeTicks now) {
-    if (region.width() < kMinUpdateWidth || region.height() < kMinUpdateHeight)
-      return false;
-
-    if (second_start_time_.is_null() ||
-        (now - second_start_time_).InSecondsF() >= 1.0) {
-      second_start_time_ = now;
-      num_video_updates_in_second_ = 0;
-    }
-    num_video_updates_in_second_++;
-
-    return num_video_updates_in_second_ == kMinFramesPerSecond;
-  }
-
- private:
-  // Number of video-sized updates that we've seen in the second starting at
-  // |second_start_time_|.  (Keeping a rolling window is overkill here.)
-  int num_video_updates_in_second_;
-
-  base::TimeTicks second_start_time_;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowInfo);
-};
-
-VideoDetector::VideoDetector() {
-  aura::RootWindow::GetInstance()->AddRootWindowObserver(this);
-}
-
-VideoDetector::~VideoDetector() {
-  aura::RootWindow::GetInstance()->RemoveRootWindowObserver(this);
-  for (WindowInfoMap::const_iterator it = window_infos_.begin();
-       it != window_infos_.end(); ++it) {
-    aura::Window* window = it->first;
-    window->RemoveObserver(this);
-  }
-}
-
-void VideoDetector::AddObserver(VideoDetectorObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void VideoDetector::RemoveObserver(VideoDetectorObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-void VideoDetector::OnWindowInitialized(aura::Window* window) {
-  window->AddObserver(this);
-}
-
-void VideoDetector::OnWindowPaintScheduled(aura::Window* window,
-                                           const gfx::Rect& region) {
-  linked_ptr<WindowInfo>& info = window_infos_[window];
-  if (!info.get())
-    info.reset(new WindowInfo);
-
-  base::TimeTicks now =
-      !now_for_test_.is_null() ? now_for_test_ : base::TimeTicks::Now();
-  if (info->RecordUpdateAndCheckForVideo(region, now))
-    MaybeNotifyObservers(window, now);
-}
-
-void VideoDetector::OnWindowDestroyed(aura::Window* window) {
-  window_infos_.erase(window);
-}
-
-void VideoDetector::MaybeNotifyObservers(aura::Window* window,
-                                         base::TimeTicks now) {
-  if (!last_observer_notification_time_.is_null() &&
-      (now - last_observer_notification_time_).InSecondsF() <
-      kNotifyIntervalSec)
-    return;
-
-  if (!window->IsVisible())
-    return;
-
-  gfx::Rect root_bounds = aura::RootWindow::GetInstance()->bounds();
-  if (!window->GetScreenBounds().Intersects(root_bounds))
-    return;
-
-  FOR_EACH_OBSERVER(VideoDetectorObserver, observers_, OnVideoDetected());
-  last_observer_notification_time_ = now;
-}
-
-}  // namespace ash