Eliminate Shell::RootWindowList in favor of aura::Window::Windows.

ash/wm/workspace/workspace_layout_manager_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/wm/workspace/workspace_layout_manager.h"
 
 #include "ash/display/display_layout.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_ash.h"
@@ skipping 79 matching lines @@
   EXPECT_EQ(Shell::GetPrimaryRootWindow(), window->GetRootWindow());
   EXPECT_TRUE(
       Shell::GetPrimaryRootWindow()->bounds().Intersects(window->bounds()));
 }
 
 TEST_F(WorkspaceLayoutManagerTest, KeepMinimumVisibilityInDisplays) {
   if (!SupportsMultipleDisplays())
     return;
 
   UpdateDisplay("300x400,400x500");
-  Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
+  aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 
   DisplayLayout layout(DisplayLayout::TOP, 0);
   Shell::GetInstance()->display_manager()->
       SetLayoutForCurrentDisplays(layout);
   EXPECT_EQ("0,-500 400x500", root_windows[1]->GetBoundsInScreen().ToString());
 
   scoped_ptr<aura::Window> window1(
       CreateTestWindowInShellWithBounds(gfx::Rect(10, -400, 200, 200)));
   EXPECT_EQ("10,-400 200x200", window1->GetBoundsInScreen().ToString());
 
@@ skipping 42 matching lines @@
       Shell::GetPrimaryRootWindow()->bounds().Intersects(window->bounds()));
   // Y bounds should not be negative.
   EXPECT_EQ("-20,0 30x40", window->bounds().ToString());
 }
 
 TEST_F(WorkspaceLayoutManagerTest, MaximizeInDisplayToBeRestored) {
   if (!SupportsMultipleDisplays())
     return;
   UpdateDisplay("300x400,400x500");
 
-  Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
+  aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 
   scoped_ptr<aura::Window> window(
       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 30, 40)));
   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 
   wm::WindowState* window_state = wm::GetWindowState(window.get());
   window_state->SetRestoreBoundsInScreen(gfx::Rect(400, 0, 30, 40));
   // Maximize the window in 2nd display as the restore bounds
   // is inside 2nd display.
   window_state->Maximize();
@@ skipping 29 matching lines @@
   w1->Restore();
   EXPECT_EQ(root_windows[1], w1->GetNativeView()->GetRootWindow());
   EXPECT_EQ("400,0 30x40", w1->GetWindowBoundsInScreen().ToString());
 }
 
 TEST_F(WorkspaceLayoutManagerTest, FullscreenInDisplayToBeRestored) {
   if (!SupportsMultipleDisplays())
     return;
   UpdateDisplay("300x400,400x500");
 
-  Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
+  aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 
   scoped_ptr<aura::Window> window(
       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 30, 40)));
   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 
   wm::WindowState* window_state = wm::GetWindowState(window.get());
   window_state->SetRestoreBoundsInScreen(gfx::Rect(400, 0, 30, 40));
   // Maximize the window in 2nd display as the restore bounds
   // is inside 2nd display.
   window->SetProperty(aura::client::kShowStateKey,
@@ skipping 177 matching lines @@
       window->bounds().ToString());
 
   // Directly setting the bounds triggers a slightly different code path. Verify
   // that too.
   window->SetBounds(window_bounds);
   EXPECT_EQ(gfx::Rect(gfx::Point(100, 101), work_area).ToString(),
       window->bounds().ToString());
 }
 
 }  // namespace ash