Change EventGenerator to take a RootWindow at construction instead of just assuming one via RootWin…

ash/tooltips/tooltip_controller_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/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/tooltips/tooltip_controller.h"
 #include "base/utf_string_conversions.h"
 #include "ui/aura/client/tooltip_client.h"
 #include "ui/aura/root_window.h"
@@ skipping 94 matching lines @@
   EXPECT_FALSE(IsTooltipVisible());
 }
 
 TEST_F(TooltipControllerTest, ViewTooltip) {
   scoped_ptr<views::Widget> widget(CreateNewWidget());
   TooltipTestView* view = new TooltipTestView;
   AddViewToWidgetAndResize(widget.get(), view);
   view->set_tooltip_text(ASCIIToUTF16("Tooltip Text"));
   EXPECT_EQ(ASCIIToUTF16(""), GetTooltipText());
   EXPECT_EQ(NULL, GetTooltipWindow());
-  aura::test::EventGenerator generator;
+  aura::test::EventGenerator generator(Shell::GetRootWindow());
   generator.MoveMouseToCenterOf(widget->GetNativeView());
 
   aura::Window* window = widget->GetNativeView();
   EXPECT_EQ(window, Shell::GetRootWindow()->GetEventHandlerForPoint(
       generator.current_location()));
   string16 expected_tooltip = ASCIIToUTF16("Tooltip Text");
   EXPECT_EQ(expected_tooltip, aura::client::GetTooltipText(window));
   EXPECT_EQ(ASCIIToUTF16(""), GetTooltipText());
   EXPECT_EQ(window, GetTooltipWindow());
 
@@ skipping 16 matching lines @@
   view1->set_tooltip_text(ASCIIToUTF16("Tooltip Text"));
   EXPECT_EQ(ASCIIToUTF16(""), GetTooltipText());
   EXPECT_EQ(NULL, GetTooltipWindow());
 
   TooltipTestView* view2 = new TooltipTestView;
   AddViewToWidgetAndResize(widget.get(), view2);
 
   aura::Window* window = widget->GetNativeView();
 
   // Fire tooltip timer so tooltip becomes visible.
-  aura::test::EventGenerator generator;
+  aura::test::EventGenerator generator(Shell::GetRootWindow());
   generator.MoveMouseRelativeTo(window,
                                 view1->bounds().CenterPoint());
   FireTooltipTimer();
   EXPECT_TRUE(IsTooltipVisible());
   for (int i = 0; i < 50; i++) {
     generator.MoveMouseBy(1, 0);
     EXPECT_TRUE(IsTooltipVisible());
     EXPECT_EQ(window,
         Shell::GetRootWindow()->GetEventHandlerForPoint(
             generator.current_location()));
@@ skipping 16 matching lines @@
 }
 
 TEST_F(TooltipControllerTest, EnableOrDisableTooltips) {
   scoped_ptr<views::Widget> widget(CreateNewWidget());
   TooltipTestView* view = new TooltipTestView;
   AddViewToWidgetAndResize(widget.get(), view);
   view->set_tooltip_text(ASCIIToUTF16("Tooltip Text"));
   EXPECT_EQ(ASCIIToUTF16(""), GetTooltipText());
   EXPECT_EQ(NULL, GetTooltipWindow());
 
-  aura::test::EventGenerator generator;
+  aura::test::EventGenerator generator(Shell::GetRootWindow());
   generator.MoveMouseRelativeTo(widget->GetNativeView(),
                                 view->bounds().CenterPoint());
   string16 expected_tooltip = ASCIIToUTF16("Tooltip Text");
 
   // Fire tooltip timer so tooltip becomes visible.
   FireTooltipTimer();
   EXPECT_TRUE(IsTooltipVisible());
 
   // Diable tooltips and check again.
   GetController()->SetTooltipsEnabled(false);
   EXPECT_FALSE(IsTooltipVisible());
   FireTooltipTimer();
   EXPECT_FALSE(IsTooltipVisible());
 
   // Enable tooltips back and check again.
   GetController()->SetTooltipsEnabled(true);
   EXPECT_FALSE(IsTooltipVisible());
   FireTooltipTimer();
   EXPECT_TRUE(IsTooltipVisible());
 }
 
 }  // namespace test
 }  // namespace ash