Exempt status bubble windows from status bar darkening

chrome/browser/ui/ash/shelf_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 "ash/shell.h"
+#include "ash/wm/shelf_layout_manager.h"
+#include "ash/wm/workspace_controller.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/status_bubble.h"
+#include "chrome/test/base/in_process_browser_test.h"
+
+typedef InProcessBrowserTest ShelfBrowserTest;
+
+// Confirm that a status bubble doesn't cause the shelf to darken.
+IN_PROC_BROWSER_TEST_F(ShelfBrowserTest, StatusBubble) {
+  ash::Shell* shell = ash::Shell::GetInstance();
+  ash::internal::ShelfLayoutManager* shelf = shell->shelf();
+  EXPECT_TRUE(shelf->IsVisible());
+
+  // Ensure that the browser abuts the shelf.
+  ash::Shell::TestApi(shell).workspace_controller()->SetGridSize(1);
+  const gfx::Rect old_bounds = browser()->window()->GetBounds();
+  const gfx::Rect new_bounds(
+      old_bounds.x(),
+      old_bounds.y(),
+      old_bounds.width(),
+      shelf->GetIdealBounds().y() - old_bounds.y());
+  browser()->window()->SetBounds(new_bounds);
+  EXPECT_FALSE(shelf->window_overlaps_shelf());
+
+  // Show status, which will overlap the shelf by a pixel.
+  browser()->window()->GetStatusBubble()->SetStatus(
+      UTF8ToUTF16("Dummy Status Text"));
+  shelf->UpdateVisibilityState();
+
+  // Ensure that status doesn't cause overlap.
+  EXPECT_FALSE(shelf->window_overlaps_shelf());
+}