Fix Linux panels to return to minimized mode after mouse moves away.

chrome/browser/ui/panels/panel_drag_browsertest.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 "base/message_loop.h"
 #include "chrome/browser/ui/panels/base_panel_browser_test.h"
 #include "chrome/browser/ui/panels/detached_panel_strip.h"
 #include "chrome/browser/ui/panels/docked_panel_strip.h"
 #include "chrome/browser/ui/panels/native_panel.h"
 #include "chrome/browser/ui/panels/panel.h"
@@ skipping 465 matching lines @@
   mouse_location.Offset(-70, 0);
   panel_testing->DragTitlebar(mouse_location);
   gfx::Rect panel_new_bounds = panel_old_bounds;
   panel_new_bounds.Offset(-70, 0);
   EXPECT_EQ(panel_new_bounds, panel->GetBounds());
 
   panel->FlashFrame(false);
   EXPECT_FALSE(panel->IsDrawingAttention());
   EXPECT_EQ(Panel::TITLE_ONLY, panel->expansion_state());
 
+  // Typical user scenario will detect the mouse in the panel
+  // after attention is cleared, causing titles to pop up, so
+  // we simulate that here.
+  MoveMouse(mouse_location);
+
   // Verify panel returns to fully minimized state after dragging ends once
   // mouse moves away from the panel.
   panel_testing->FinishDragTitlebar();
   EXPECT_EQ(Panel::TITLE_ONLY, panel->expansion_state());
 
   mouse_location.Offset(0, -50);
   MoveMouseAndWaitForExpansionStateChange(panel, mouse_location);
   EXPECT_EQ(Panel::MINIMIZED, panel->expansion_state());
 
   PanelManager::GetInstance()->CloseAll();
@@ skipping 843 matching lines @@
   // constraint.
   drag_to_location = gfx::Point(280, 150);
   DragPanelToMouseLocation(panel, drag_to_location);
   EXPECT_EQ(PanelStrip::DETACHED, panel->panel_strip()->type());
   EXPECT_EQ(drag_to_location, panel->GetBounds().origin());
 
   panel_manager->CloseAll();
 }
 
 #endif // OS_WIN || OS_MACOSX