Support auto-hide taskbar for panels on Windows.

chrome/browser/ui/panels/panel_browser_view.cc

 // Copyright (c) 2011 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/panel_browser_view.h"
 
 #include "base/logging.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_browser_frame_view.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
@@ skipping 66 matching lines @@
   return false;
 }
 
 bool PanelBrowserView::CanMaximize() const {
   return false;
 }
 
 void PanelBrowserView::SetBounds(const gfx::Rect& bounds) {
   bounds_ = bounds;
 
-  //// No animation if the panel is being dragged.
+  // No animation if the panel is being dragged.
   if (mouse_dragging_) {
     ::BrowserView::SetBounds(bounds);
     return;
   }
 
   animation_start_bounds_ = GetBounds();
 
   if (!bounds_animator_.get()) {
     bounds_animator_.reset(new ui::SlideAnimation(this));
     bounds_animator_->SetSlideDuration(kSetBoundsAnimationMs);
@@ skipping 102 matching lines @@
 #if defined(OS_WIN)
       EnsureMouseWatcherStarted();
 #endif
       break;
     default:
       NOTREACHED();
       height = original_height_;
       break;
   }
 
+  int bottom = panel_->manager()->GetBottomPositionForExpansionState(
+      expansion_state);
   gfx::Rect bounds = bounds_;
-  bounds.set_y(bounds.y() + bounds.height() - height);
+  bounds.set_y(bottom - height);
   bounds.set_height(height);
   SetBounds(bounds);
 }
 
 bool PanelBrowserView::ShouldBringUpPanelTitlebar(int mouse_x,
                                                   int mouse_y) const {
   // We do not want to bring up other minimized panels if the mouse is over the
   // panel that pops up the title-bar to attract attention.
   if (is_drawing_attention_)
     return false;
@@ skipping 205 matching lines @@
       panel_browser_view_->mouse_pressed_point_.y() + delta_y));
 }
 
 void NativePanelTestingWin::CancelDragTitlebar() {
   panel_browser_view_->OnTitlebarMouseCaptureLost();
 }
 
 void NativePanelTestingWin::FinishDragTitlebar() {
   panel_browser_view_->OnTitlebarMouseReleased();
 }