Remove docked windows entirely in M59.

ash/common/shelf/shelf_layout_manager.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 "ash/common/shelf/shelf_layout_manager.h"
 
 #include <algorithm>
 #include <cmath>
 #include <vector>
 
@@ skipping 697 matching lines @@
   // TODO(varkha): The functionality of managing insets for display areas
   // should probably be pushed to a separate component. This would simplify or
   // remove entirely the dependency on keyboard and dock.
 
   if (!keyboard_bounds_.IsEmpty() && !keyboard::IsKeyboardOverscrollEnabled()) {
     // Also push in the work area inset for the keyboard if it is visible.
     gfx::Insets keyboard_insets(0, 0, keyboard_bounds_.height(), 0);
     target_bounds->work_area_insets += keyboard_insets;
   }
 
-  // Also push in the work area inset for the dock if it is visible.
-  if (!dock_bounds_.IsEmpty()) {
-    gfx::Insets dock_insets(
-        0, (dock_bounds_.x() > 0 ? 0 : dock_bounds_.width()), 0,
-        (dock_bounds_.x() > 0 ? dock_bounds_.width() : 0));
-    target_bounds->work_area_insets += dock_insets;
-  }
-
   // Also push in the work area insets for the ChromeVox panel if it's visible.
   if (chromevox_panel_height_) {
     gfx::Insets chromevox_insets(chromevox_panel_height_, 0, 0, 0);
     target_bounds->work_area_insets += chromevox_insets;
   }
 
   target_bounds->opacity = ComputeTargetOpacity(state);
   target_bounds->status_opacity =
       (state.visibility_state == SHELF_AUTO_HIDE &&
        state.auto_hide_state == SHELF_AUTO_HIDE_HIDDEN &&
@@ skipping 241 matching lines @@
 }
 
 int ShelfLayoutManager::GetWorkAreaInsets(const State& state, int size) const {
   if (state.visibility_state == SHELF_VISIBLE)
     return size;
   if (state.visibility_state == SHELF_AUTO_HIDE)
     return GetShelfConstant(SHELF_INSETS_FOR_AUTO_HIDE);
   return 0;
 }
 
-void ShelfLayoutManager::OnDockBoundsChanging(
-    const gfx::Rect& dock_bounds,
-    DockedWindowLayoutManagerObserver::Reason reason) {
-  // Skip shelf layout in case docked notification originates from this class.
-  if (reason == DISPLAY_INSETS_CHANGED)
-    return;
-  if (dock_bounds_ != dock_bounds) {
-    dock_bounds_ = dock_bounds;
-    OnWindowResized();
-    UpdateVisibilityState();
-    MaybeUpdateShelfBackground(AnimationChangeType::ANIMATE);
-  }
-}
-
 void ShelfLayoutManager::OnLockStateEvent(LockStateObserver::EventType event) {
   if (event == EVENT_LOCK_ANIMATION_STARTED) {
     // Enter the screen locked state and update the visibility to avoid an odd
     // animation when transitioning the orientation from L/R to bottom.
     state_.pre_lock_screen_animation_active = true;
     UpdateShelfVisibilityAfterLoginUIChange();
   } else {
     state_.pre_lock_screen_animation_active = false;
   }
   MaybeUpdateShelfBackground(AnimationChangeType::ANIMATE);
@@ skipping 138 matching lines @@
   gesture_drag_status_ = GESTURE_DRAG_NONE;
 }
 
 void ShelfLayoutManager::CancelGestureDrag() {
   gesture_drag_status_ = GESTURE_DRAG_CANCEL_IN_PROGRESS;
   UpdateVisibilityState();
   gesture_drag_status_ = GESTURE_DRAG_NONE;
 }
 
 }  // namespace ash