Polish launcher tooltip visibility (2nd try).

ash/launcher/launcher_view_unittest.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/launcher/launcher_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/launcher/launcher.h"
@@ skipping 158 matching lines @@
 class LauncherViewTest : public aura::test::AuraTestBase {
  public:
   LauncherViewTest() {}
   virtual ~LauncherViewTest() {}
 
   virtual void SetUp() OVERRIDE {
     aura::test::AuraTestBase::SetUp();
 
     model_.reset(new LauncherModel);
 
-    launcher_view_.reset(new internal::LauncherView(model_.get(), &delegate_));
+    launcher_view_.reset(new internal::LauncherView(
+        model_.get(), &delegate_, NULL));
     launcher_view_->Init();
     // The bounds should be big enough for 4 buttons + overflow chevron.
     launcher_view_->SetBounds(0, 0, 500, 50);
 
     test_api_.reset(new LauncherViewTestAPI(launcher_view_.get()));
     test_api_->SetAnimationDuration(1);  // Speeds up animation for test.
   }
 
  protected:
   LauncherID AddAppShortcut() {
@@ skipping 429 matching lines @@
   const int app_list_button_index = test_api_->GetButtonCount() - 1;
   const gfx::Rect& app_list_ideal_bounds =
       test_api_->GetIdealBoundsByIndex(app_list_button_index);
   const gfx::Rect& app_list_bounds =
       test_api_->GetBoundsByIndex(app_list_button_index);
   EXPECT_EQ(app_list_bounds, app_list_ideal_bounds);
 }
 
 }  // namespace test
 }  // namespace ash