mash: Remove ash::ShelfGestureHandler and ui::ET_GESTURE_WIN8_EDGE_SWIPE

ash/wm/gestures/shelf_gesture_handler.cc

Index: ash/wm/gestures/shelf_gesture_handler.cc
diff --git a/ash/wm/gestures/shelf_gesture_handler.cc b/ash/wm/gestures/shelf_gesture_handler.cc
deleted file mode 100644
index 1996ad5b95be4ac11a8eeed3191ebeefc38e35bb..0000000000000000000000000000000000000000
--- a/ash/wm/gestures/shelf_gesture_handler.cc
+++ /dev/null
@@ -1,79 +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/gestures/shelf_gesture_handler.h"
-
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shelf/shelf_types.h"
-#include "ash/common/system/status_area_widget.h"
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm_shell.h"
-#include "ash/root_window_controller.h"
-#include "ash/shelf/shelf_layout_manager.h"
-#include "ash/shelf/shelf_widget.h"
-#include "ash/wm/window_state_aura.h"
-#include "ash/wm/window_util.h"
-#include "ui/aura/window.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/gfx/transform.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-
-ShelfGestureHandler::ShelfGestureHandler() : drag_in_progress_(false) {}
-
-ShelfGestureHandler::~ShelfGestureHandler() {}
-
-bool ShelfGestureHandler::ProcessGestureEvent(
-    const ui::GestureEvent& event,
-    const aura::Window* event_target_window) {
-  // The gestures are disabled in the lock/login screen.
-  SessionStateDelegate* delegate = WmShell::Get()->GetSessionStateDelegate();
-  if (!delegate->NumberOfLoggedInUsers() || delegate->IsScreenLocked())
-    return false;
-
-  RootWindowController* controller =
-      RootWindowController::ForWindow(event_target_window);
-  ShelfLayoutManager* shelf = controller->GetShelfLayoutManager();
-
-  if (event.type() == ui::ET_GESTURE_WIN8_EDGE_SWIPE) {
-    shelf->OnGestureEdgeSwipe(event);
-    return true;
-  }
-
-  const aura::Window* fullscreen = controller->GetWindowForFullscreenMode();
-  if (fullscreen &&
-      wm::GetWindowState(fullscreen)->hide_shelf_when_fullscreen()) {
-    return false;
-  }
-
-  if (event.type() == ui::ET_GESTURE_SCROLL_BEGIN) {
-    drag_in_progress_ = true;
-    shelf->StartGestureDrag(event);
-    return true;
-  }
-
-  if (!drag_in_progress_)
-    return false;
-
-  if (event.type() == ui::ET_GESTURE_SCROLL_UPDATE) {
-    shelf->UpdateGestureDrag(event);
-    return true;
-  }
-
-  drag_in_progress_ = false;
-
-  if (event.type() == ui::ET_GESTURE_SCROLL_END ||
-      event.type() == ui::ET_SCROLL_FLING_START) {
-    shelf->CompleteGestureDrag(event);
-    return true;
-  }
-
-  // Unexpected event. Reset the state and let the event fall through.
-  shelf->CancelGestureDrag();
-  return false;
-}
-
-}  // namespace ash