Attempt to re-land FocusManager removal from Aura.

ui/aura/window_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 "ui/aura/window.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 184 matching lines @@
  private:
   int capture_changed_event_count_;
   int capture_lost_count_;
   int mouse_event_count_;
   int touch_event_count_;
   int gesture_event_count_;
 
   DISALLOW_COPY_AND_ASSIGN(CaptureWindowDelegateImpl);
 };
 
-// aura::WindowDelegate that tracks the window that was reported as having the
-// focus before us.
-class FocusDelegate : public TestWindowDelegate,
-  public aura::client::FocusChangeObserver {
- public:
-  FocusDelegate() : previous_focused_window_(NULL) {
-  }
-
-  aura::Window* previous_focused_window() const {
-    return previous_focused_window_;
-  }
-
-  // Overridden from client::FocusChangeObserver:
-  virtual void OnWindowFocused(Window* gained_focus,
-                               Window* lost_focus) OVERRIDE {
-    previous_focused_window_ = lost_focus;
-  }
-
- private:
-  aura::Window* previous_focused_window_;
-
-  DISALLOW_COPY_AND_ASSIGN(FocusDelegate);
-};
-
 // Keeps track of the location of the gesture.
 class GestureTrackPositionDelegate : public TestWindowDelegate {
  public:
   GestureTrackPositionDelegate() {}
 
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
     position_ = event->location();
     event->StopPropagation();
   }
 
@@ skipping 1536 matching lines @@
 
   parent->StackChildBelow(w1.get(), w2.get());
   EXPECT_EQ(w212, parent->children().back());
   EXPECT_EQ("1 11 2 22 21 213 211 212", ChildWindowIDsAsString(parent.get()));
 
   parent->StackChildBelow(w213, w11);
   EXPECT_EQ(w11, parent->children().back());
   EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
 }
 
-// Tests that when a focused window is closed, its parent inherits the focus.
-TEST_F(WindowTest, FocusedWindowTest) {
-  scoped_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
-  scoped_ptr<Window> child(CreateTestWindowWithId(1, parent.get()));
-
-  parent->Show();
-
-  child->Focus();
-  EXPECT_TRUE(child->HasFocus());
-  EXPECT_FALSE(parent->HasFocus());
-
-  child.reset();
-  EXPECT_TRUE(parent->HasFocus());
-}
-
-// Tests that the previously-focused window is passed to OnWindowFocused.
-// TODO(beng): Remove once the FocusController lands.
-TEST_F(WindowTest, OldFocusedWindowTest) {
-  const gfx::Rect kBounds(0, 0, 100, 100);
-
-  FocusDelegate delegate1;
-  scoped_ptr<Window> window1(
-      CreateTestWindowWithDelegate(&delegate1, 0, kBounds, root_window()));
-  client::SetFocusChangeObserver(window1.get(), &delegate1);
-  window1->Focus();
-  ASSERT_TRUE(window1->HasFocus());
-  EXPECT_TRUE(delegate1.previous_focused_window() == NULL);
-
-  FocusDelegate delegate2;
-  scoped_ptr<Window> window2(
-      CreateTestWindowWithDelegate(&delegate2, 1, kBounds, root_window()));
-  client::SetFocusChangeObserver(window2.get(), &delegate2);
-  window2->Focus();
-  ASSERT_TRUE(window2->HasFocus());
-  EXPECT_FALSE(window1->HasFocus());
-  EXPECT_EQ(window1.get(), delegate2.previous_focused_window());
-}
-
 namespace {
 DEFINE_WINDOW_PROPERTY_KEY(int, kIntKey, -2);
 DEFINE_WINDOW_PROPERTY_KEY(const char*, kStringKey, "squeamish");
 }
 
 TEST_F(WindowTest, Property) {
   scoped_ptr<Window> w(CreateTestWindowWithId(0, root_window()));
 
   static const char native_prop_key[] = "fnord";
 
@@ skipping 1397 matching lines @@
   parent->AddTransientChild(transient);
   parent.reset();
 
   ASSERT_EQ(2u, destruction_order.size());
   EXPECT_EQ("transient", destruction_order[0]);
   EXPECT_EQ("parent", destruction_order[1]);
 }
 
 }  // namespace test
 }  // namespace aura