Cleanup: Remove more dead GTK code.

chrome/browser/ui/panels/docked_panel_collection.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/panels/docked_panel_collection.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 14 matching lines @@
 // screen.
 const int kPanelCollectionLeftMargin = 6;
 const int kPanelCollectionRightMargin = 24;
 
 // Occasionally some system, like Windows, might not bring up or down the bottom
 // bar when the mouse enters or leaves the bottom screen area. This is the
 // maximum time we will wait for the bottom bar visibility change notification.
 // After the time expires, we bring up/down the titlebars as planned.
 const int kMaxDelayWaitForBottomBarVisibilityChangeMs = 1000;
 
-// See usage below.
-#if defined(TOOLKIT_GTK)
-const int kDelayBeforeCollapsingFromTitleOnlyStateMs = 2000;
-#else
-const int kDelayBeforeCollapsingFromTitleOnlyStateMs = 0;
-#endif
-
 // After focus changed, one panel lost active status, another got it,
 // we refresh layout with a delay.
 const int kRefreshLayoutAfterActivePanelChangeDelayMs = 600;  // arbitrary
 
 // As we refresh panel positions, some or all panels may move. We make sure
 // we do not animate too many panels at once as this tends to perform poorly.
 const int kNumPanelsToAnimateSimultaneously = 3;
 
 }  // namespace
 
@@ skipping 478 matching lines @@
                   : DisplaySettingsProvider::DESKTOP_BAR_HIDDEN)) {
       // Occasionally some system, like Windows, might not bring up or down the
       // bottom bar when the mouse enters or leaves the bottom screen area.
       // Thus, we schedule a delayed task to do the work if we do not receive
       // the bottom bar visibility change notification within a certain period
       // of time.
       task_delay_ms = kMaxDelayWaitForBottomBarVisibilityChangeMs;
     }
   }
 
-  // On some OSes, the interaction with native Taskbars/Docks may be improved
-  // if the panels do not go back to minimized state too fast. For example,
-  // with a taskbar in auto-hide mode, the taskbar will cover the panel in
-  // title-only mode which appears on hover. Leaving it up for a little longer
-  // would allow the user to be able to click on it.
-  //
-  // Currently, no platforms use both delays.
-  DCHECK(task_delay_ms == 0 ||
-         kDelayBeforeCollapsingFromTitleOnlyStateMs == 0);
-  if (!bring_up && task_delay_ms == 0) {
-    task_delay_ms = kDelayBeforeCollapsingFromTitleOnlyStateMs;
-  }
-
   // OnAutoHidingDesktopBarVisibilityChanged will handle this.
   delayed_titlebar_action_ = bring_up ? BRING_UP : BRING_DOWN;
 
   // If user moves the mouse in and out of mouse tracking area, we might have
   // previously posted but not yet dispatched task in the queue. New action
   // should always 'reset' the delays so cancel any tasks that haven't run yet
   // and post a new one.
   titlebar_action_factory_.InvalidateWeakPtrs();
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
@@ skipping 227 matching lines @@
       const gfx::Rect& requested_bounds) const {
   gfx::Rect initial_bounds = requested_bounds;
   initial_bounds.set_origin(
       GetDefaultPositionForPanel(requested_bounds.size()));
   return initial_bounds;
 }
 
 bool DockedPanelCollection::HasPanel(Panel* panel) const {
   return find(panels_.begin(), panels_.end(), panel) != panels_.end();
 }