Remove docked windows entirely in M59.

chrome/browser/ui/views/tabs/tab_drag_controller.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 "chrome/browser/ui/views/tabs/tab_drag_controller.h"
 
 #include <math.h>
 #include <set>
 
 #include "base/auto_reset.h"
@@ skipping 69 matching lines @@
 // close enough to trigger moving.
 const int kStackedDistance = 36;
 
 // A dragged window is forced to be a bit smaller than maximized bounds during a
 // drag. This prevents the dragged browser widget from getting maximized at
 // creation and makes it easier to drag tabs out of a restored window that had
 // maximized size.
 const int kMaximizedWindowInset = 10;  // DIPs.
 
 #if defined(USE_ASH)
-// Returns true if |tab_strip| browser window is docked.
-bool IsDockedOrSnapped(const TabStrip* tab_strip) {
+// Returns true if |tab_strip| browser window is snapped.
+bool IsSnapped(const TabStrip* tab_strip) {
   DCHECK(tab_strip);
   ash::wm::WindowState* window_state =
       ash::wm::GetWindowState(tab_strip->GetWidget()->GetNativeWindow());
-  return window_state->IsDocked() || window_state->IsSnapped();
+  return window_state->IsSnapped();
 }
 #else
-bool IsDockedOrSnapped(const TabStrip* tab_strip) {
+bool IsSnapped(const TabStrip* tab_strip) {
   return false;
 }
 #endif
 
 #if defined(USE_AURA)
 gfx::NativeWindow GetModalTransient(gfx::NativeWindow window) {
   return wm::GetModalTransient(window);
 }
 #else
 gfx::NativeWindow GetModalTransient(gfx::NativeWindow window) {
@@ skipping 1360 matching lines @@
         data->source_model_index, data->contents,
         (data->pinned ? TabStripModel::ADD_PINNED : 0));
   }
 }
 
 void TabDragController::CompleteDrag() {
   DCHECK(started_drag_);
 
   if (attached_tabstrip_) {
     if (is_dragging_new_browser_ || did_restore_window_) {
-      if (IsDockedOrSnapped(attached_tabstrip_)) {
+      if (IsSnapped(attached_tabstrip_)) {
         was_source_maximized_ = false;
         was_source_fullscreen_ = false;
       }
 
       // If source window was maximized - maximize the new window as well.
       if (was_source_maximized_ || was_source_fullscreen_)
         MaximizeAttachedWindow();
     }
     attached_tabstrip_->StoppedDraggingTabs(
         GetTabsMatchingDraggedContents(attached_tabstrip_),
@@ skipping 305 matching lines @@
   // TODO(pkotwicz): Fix this properly (crbug.com/358482)
   for (auto* browser : *BrowserList::GetInstance()) {
     if (browser->tab_strip_model()->empty())
       exclude.insert(browser->window()->GetNativeWindow());
   }
 #endif
   base::WeakPtr<TabDragController> ref(weak_factory_.GetWeakPtr());
   *window = window_finder_->GetLocalProcessWindowAtPoint(screen_point, exclude);
   return ref ? Liveness::ALIVE : Liveness::DELETED;
 }