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

chrome/browser/ui/panels/panel_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/bind.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/net/url_request_mock_util.h"
 #include "chrome/browser/prefs/browser_prefs.h"
@@ skipping 1146 matching lines @@
   EXPECT_EQ(Panel::TITLE_ONLY, panel1->expansion_state());
 
   gfx::Point hover_point_in_panel(panel1->GetBounds().origin());
   MoveMouse(hover_point_in_panel);
 
   panel1->FlashFrame(false);
   EXPECT_FALSE(panel1->IsDrawingAttention());
   EXPECT_EQ(Panel::TITLE_ONLY, panel1->expansion_state());
   EXPECT_EQ(Panel::MINIMIZED, panel2->expansion_state());
 
-  // Move mouse away and panel should go back to fully minimized 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.
+  MoveMouseAndWaitForExpansionStateChange(panel2, hover_point_in_panel);
+  EXPECT_EQ(Panel::TITLE_ONLY, panel1->expansion_state());
+  EXPECT_EQ(Panel::TITLE_ONLY, panel2->expansion_state());
+
+  // Move mouse away and panels should go back to fully minimized state.
   MoveMouseAndWaitForExpansionStateChange(panel1, hover_point);
   EXPECT_EQ(Panel::MINIMIZED, panel1->expansion_state());
   EXPECT_EQ(Panel::MINIMIZED, panel2->expansion_state());
 
   panel1->Close();
   panel2->Close();
 }
 
 IN_PROC_BROWSER_TEST_F(PanelBrowserTest, DrawAttentionWhenActive) {
   CreatePanelParams params("Initially Active", gfx::Rect(), SHOW_AS_ACTIVE);
@@ skipping 394 matching lines @@
   EXPECT_GT(old_full_size.width(), panel->full_size().width());
   EXPECT_GT(old_full_size.height(), panel->full_size().height());
   EXPECT_GE(panel->max_size().width(), panel->full_size().width());
   EXPECT_GE(panel->max_size().height(), panel->full_size().height());
   EXPECT_EQ(smaller_work_area_size.height(), panel->full_size().height());
 
   panel->Close();
 }
 
 #endif // OS_WIN || OS_MACOSX