aura: Remove layerless windows.

ui/aura/window_unittest.cc

Index: ui/aura/window_unittest.cc
diff --git a/ui/aura/window_unittest.cc b/ui/aura/window_unittest.cc
index 60b113556035ef5ee3cd6ba4b7c4e1cff499ba61..9929192f2ec0946eae6e6d713e09c888f0d4a9cb 100644
--- a/ui/aura/window_unittest.cc
+++ b/ui/aura/window_unittest.cc
@@ -291,11 +291,11 @@ TEST_F(WindowTest, GetChildById) {
 // and not containing NULL or parents.
 TEST_F(WindowTest, Contains) {
   Window parent(NULL);
-  parent.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  parent.Init(ui::LAYER_NOT_DRAWN);
   Window child1(NULL);
-  child1.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child1.Init(ui::LAYER_NOT_DRAWN);
   Window child2(NULL);
-  child2.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child2.Init(ui::LAYER_NOT_DRAWN);
 
   parent.AddChild(&child1);
   child1.AddChild(&child2);
@@ -621,7 +621,7 @@ TEST_F(WindowTest, WindowAddedToRootWindowShouldNotifyChildAndNotParent) {
   AddedToRootWindowObserver child_observer;
   scoped_ptr<Window> parent_window(CreateTestWindowWithId(1, root_window()));
   scoped_ptr<Window> child_window(new Window(NULL));
-  child_window->Init(aura::WINDOW_LAYER_TEXTURED);
+  child_window->Init(ui::LAYER_TEXTURED);
   child_window->Show();
 
   parent_window->AddObserver(&parent_observer);
@@ -670,11 +670,11 @@ TEST_F(WindowTest, OrphanedBeforeOnDestroyed) {
 // Make sure StackChildAtTop moves both the window and layer to the front.
 TEST_F(WindowTest, StackChildAtTop) {
   Window parent(NULL);
-  parent.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  parent.Init(ui::LAYER_NOT_DRAWN);
   Window child1(NULL);
-  child1.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child1.Init(ui::LAYER_NOT_DRAWN);
   Window child2(NULL);
-  child2.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child2.Init(ui::LAYER_NOT_DRAWN);
 
   parent.AddChild(&child1);
   parent.AddChild(&child2);
@@ -697,15 +697,15 @@ TEST_F(WindowTest, StackChildAtTop) {
 // Make sure StackChildBelow works.
 TEST_F(WindowTest, StackChildBelow) {
   Window parent(NULL);
-  parent.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  parent.Init(ui::LAYER_NOT_DRAWN);
   Window child1(NULL);
-  child1.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child1.Init(ui::LAYER_NOT_DRAWN);
   child1.set_id(1);
   Window child2(NULL);
-  child2.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child2.Init(ui::LAYER_NOT_DRAWN);
   child2.set_id(2);
   Window child3(NULL);
-  child3.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child3.Init(ui::LAYER_NOT_DRAWN);
   child3.set_id(3);
 
   parent.AddChild(&child1);
@@ -729,13 +729,13 @@ TEST_F(WindowTest, StackChildBelow) {
 // Various assertions for StackChildAbove.
 TEST_F(WindowTest, StackChildAbove) {
   Window parent(NULL);
-  parent.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  parent.Init(ui::LAYER_NOT_DRAWN);
   Window child1(NULL);
-  child1.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child1.Init(ui::LAYER_NOT_DRAWN);
   Window child2(NULL);
-  child2.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child2.Init(ui::LAYER_NOT_DRAWN);
   Window child3(NULL);
-  child3.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child3.Init(ui::LAYER_NOT_DRAWN);
 
   parent.AddChild(&child1);
   parent.AddChild(&child2);
@@ -2037,7 +2037,7 @@ TEST_F(WindowTest, RecreateLayer) {
   // Set properties to non default values.
   Window w(new ColorTestWindowDelegate(SK_ColorWHITE));
   w.set_id(1);
-  w.Init(aura::WINDOW_LAYER_SOLID_COLOR);
+  w.Init(ui::LAYER_SOLID_COLOR);
   w.SetBounds(gfx::Rect(0, 0, 100, 100));
 
   ui::Layer* layer = w.layer();
@@ -2302,7 +2302,7 @@ TEST_F(WindowTest, RootWindowAttachment) {
 
   // Test a direct add/remove from the RootWindow.
   scoped_ptr<Window> w1(new Window(NULL));
-  w1->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w1->Init(ui::LAYER_NOT_DRAWN);
   w1->AddObserver(&observer);
 
   ParentWindow(w1.get());
@@ -2317,9 +2317,9 @@ TEST_F(WindowTest, RootWindowAttachment) {
 
   // Test an indirect add/remove from the RootWindow.
   w1.reset(new Window(NULL));
-  w1->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w1->Init(ui::LAYER_NOT_DRAWN);
   Window* w11 = new Window(NULL);
-  w11->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w11->Init(ui::LAYER_NOT_DRAWN);
   w11->AddObserver(&observer);
   w1->AddChild(w11);
   EXPECT_EQ(0, observer.added_count());
@@ -2338,13 +2338,13 @@ TEST_F(WindowTest, RootWindowAttachment) {
 
   // Test an indirect add/remove with nested observers.
   w1.reset(new Window(NULL));
-  w1->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w1->Init(ui::LAYER_NOT_DRAWN);
   w11 = new Window(NULL);
-  w11->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w11->Init(ui::LAYER_NOT_DRAWN);
   w11->AddObserver(&observer);
   w1->AddChild(w11);
   Window* w111 = new Window(NULL);
-  w111->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w111->Init(ui::LAYER_NOT_DRAWN);
   w111->AddObserver(&observer);
   w11->AddChild(w111);
 
@@ -2382,9 +2382,9 @@ class BoundsChangedWindowObserver : public WindowObserver {
 
 TEST_F(WindowTest, RootWindowSetWhenReparenting) {
   Window parent1(NULL);
-  parent1.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  parent1.Init(ui::LAYER_NOT_DRAWN);
   Window parent2(NULL);
-  parent2.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  parent2.Init(ui::LAYER_NOT_DRAWN);
   ParentWindow(&parent1);
   ParentWindow(&parent2);
   parent1.SetBounds(gfx::Rect(10, 10, 300, 300));
@@ -2392,7 +2392,7 @@ TEST_F(WindowTest, RootWindowSetWhenReparenting) {
 
   BoundsChangedWindowObserver observer;
   Window child(NULL);
-  child.Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  child.Init(ui::LAYER_NOT_DRAWN);
   child.SetBounds(gfx::Rect(5, 5, 100, 100));
   parent1.AddChild(&child);
 
@@ -2423,10 +2423,10 @@ TEST_F(WindowTest, OwnedByParentFalse) {
   // window will not be destroyed when its parent is.
 
   scoped_ptr<Window> w1(new Window(NULL));
-  w1->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w1->Init(ui::LAYER_NOT_DRAWN);
   scoped_ptr<Window> w2(new Window(NULL));
   w2->set_owned_by_parent(false);
-  w2->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  w2->Init(ui::LAYER_NOT_DRAWN);
   w1->AddChild(w2.get());
 
   w1.reset();
@@ -2464,13 +2464,13 @@ class OwningWindowDelegate : public TestWindowDelegate {
 // bubble.
 TEST_F(WindowTest, DeleteWindowFromOnWindowDestroyed) {
   scoped_ptr<Window> parent(new Window(NULL));
-  parent->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  parent->Init(ui::LAYER_NOT_DRAWN);
   OwningWindowDelegate delegate;
   Window* c1 = new Window(&delegate);
-  c1->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  c1->Init(ui::LAYER_NOT_DRAWN);
   parent->AddChild(c1);
   Window* c2 = new Window(NULL);
-  c2->Init(aura::WINDOW_LAYER_NOT_DRAWN);
+  c2->Init(ui::LAYER_NOT_DRAWN);
   parent->AddChild(c2);
   delegate.SetOwnedWindow(c2);
   parent.reset();
@@ -2838,191 +2838,6 @@ TEST_F(WindowTest, OnWindowHierarchyChange) {
 
 }
 
-// Verifies SchedulePaint() on a layerless window results in damaging the right
-// thing.
-TEST_F(WindowTest, LayerlessWindowSchedulePaint) {
-  Window root(NULL);
-  root.Init(aura::WINDOW_LAYER_NOT_DRAWN);
-  root.SetBounds(gfx::Rect(0, 0, 100, 100));
-
-  Window* layerless_window = new Window(NULL);  // Owned by |root|.
-  layerless_window->Init(WINDOW_LAYER_NONE);
-  layerless_window->SetBounds(gfx::Rect(10, 11, 12, 13));
-  root.AddChild(layerless_window);
-
-  root.layer()->SendDamagedRects();
-  layerless_window->SchedulePaintInRect(gfx::Rect(1, 2, 100, 4));
-  // Note the the region is clipped by the parent hence 100 going to 11.
-  EXPECT_EQ("11,13 11x4",
-            gfx::SkIRectToRect(root.layer()->damaged_region().getBounds()).
-            ToString());
-
-  Window* layerless_window2 = new Window(NULL);  // Owned by |layerless_window|.
-  layerless_window2->Init(WINDOW_LAYER_NONE);
-  layerless_window2->SetBounds(gfx::Rect(1, 2, 3, 4));
-  layerless_window->AddChild(layerless_window2);
-
-  root.layer()->SendDamagedRects();
-  layerless_window2->SchedulePaintInRect(gfx::Rect(1, 2, 100, 4));
-  // Note the the region is clipped by the |layerless_window| hence 100 going to
-  // 2.
-  EXPECT_EQ("12,15 2x2",
-            gfx::SkIRectToRect(root.layer()->damaged_region().getBounds()).
-            ToString());
-}
-
-// Verifies bounds of layerless windows are correctly updated when adding
-// removing.
-TEST_F(WindowTest, NestedLayerlessWindowsBoundsOnAddRemove) {
-  // Creates the following structure (all children owned by root):
-  // root
-  //   w1ll      1,2
-  //     w11ll   3,4
-  //       w111  5,6
-  //     w12     7,8
-  //       w121  9,10
-  //
-  // ll: layer less, eg no layer
-  Window root(NULL);
-  root.Init(WINDOW_LAYER_NOT_DRAWN);
-  root.SetBounds(gfx::Rect(0, 0, 100, 100));
-
-  Window* w1ll = new Window(NULL);
-  w1ll->Init(WINDOW_LAYER_NONE);
-  w1ll->SetBounds(gfx::Rect(1, 2, 100, 100));
-
-  Window* w11ll = new Window(NULL);
-  w11ll->Init(WINDOW_LAYER_NONE);
-  w11ll->SetBounds(gfx::Rect(3, 4, 100, 100));
-  w1ll->AddChild(w11ll);
-
-  Window* w111 = new Window(NULL);
-  w111->Init(WINDOW_LAYER_NOT_DRAWN);
-  w111->SetBounds(gfx::Rect(5, 6, 100, 100));
-  w11ll->AddChild(w111);
-
-  Window* w12 = new Window(NULL);
-  w12->Init(WINDOW_LAYER_NOT_DRAWN);
-  w12->SetBounds(gfx::Rect(7, 8, 100, 100));
-  w1ll->AddChild(w12);
-
-  Window* w121 = new Window(NULL);
-  w121->Init(WINDOW_LAYER_NOT_DRAWN);
-  w121->SetBounds(gfx::Rect(9, 10, 100, 100));
-  w12->AddChild(w121);
-
-  root.AddChild(w1ll);
-
-  // All layers should be parented to the root.
-  EXPECT_EQ(root.layer(), w111->layer()->parent());
-  EXPECT_EQ(root.layer(), w12->layer()->parent());
-  EXPECT_EQ(w12->layer(), w121->layer()->parent());
-
-  // Ensure bounds are what we expect.
-  EXPECT_EQ("1,2 100x100", w1ll->bounds().ToString());
-  EXPECT_EQ("3,4 100x100", w11ll->bounds().ToString());
-  EXPECT_EQ("5,6 100x100", w111->bounds().ToString());
-  EXPECT_EQ("7,8 100x100", w12->bounds().ToString());
-  EXPECT_EQ("9,10 100x100", w121->bounds().ToString());
-
-  // Bounds of layers are relative to the nearest ancestor with a layer.
-  EXPECT_EQ("8,10 100x100", w12->layer()->bounds().ToString());
-  EXPECT_EQ("9,12 100x100", w111->layer()->bounds().ToString());
-  EXPECT_EQ("9,10 100x100", w121->layer()->bounds().ToString());
-
-  // Remove and repeat.
-  root.RemoveChild(w1ll);
-
-  EXPECT_TRUE(w111->layer()->parent() == NULL);
-  EXPECT_TRUE(w12->layer()->parent() == NULL);
-
-  // Verify bounds haven't changed again.
-  EXPECT_EQ("1,2 100x100", w1ll->bounds().ToString());
-  EXPECT_EQ("3,4 100x100", w11ll->bounds().ToString());
-  EXPECT_EQ("5,6 100x100", w111->bounds().ToString());
-  EXPECT_EQ("7,8 100x100", w12->bounds().ToString());
-  EXPECT_EQ("9,10 100x100", w121->bounds().ToString());
-
-  // Bounds of layers should now match that of windows.
-  EXPECT_EQ("7,8 100x100", w12->layer()->bounds().ToString());
-  EXPECT_EQ("5,6 100x100", w111->layer()->bounds().ToString());
-  EXPECT_EQ("9,10 100x100", w121->layer()->bounds().ToString());
-
-  delete w1ll;
-}
-
-// Verifies bounds of layerless windows are correctly updated when bounds
-// of ancestor changes.
-TEST_F(WindowTest, NestedLayerlessWindowsBoundsOnSetBounds) {
-  // Creates the following structure (all children owned by root):
-  // root
-  //   w1ll      1,2
-  //     w11ll   3,4
-  //       w111  5,6
-  //     w12     7,8
-  //       w121  9,10
-  //
-  // ll: layer less, eg no layer
-  Window root(NULL);
-  root.Init(WINDOW_LAYER_NOT_DRAWN);
-  root.SetBounds(gfx::Rect(0, 0, 100, 100));
-
-  Window* w1ll = new Window(NULL);
-  w1ll->Init(WINDOW_LAYER_NONE);
-  w1ll->SetBounds(gfx::Rect(1, 2, 100, 100));
-
-  Window* w11ll = new Window(NULL);
-  w11ll->Init(WINDOW_LAYER_NONE);
-  w11ll->SetBounds(gfx::Rect(3, 4, 100, 100));
-  w1ll->AddChild(w11ll);
-
-  Window* w111 = new Window(NULL);
-  w111->Init(WINDOW_LAYER_NOT_DRAWN);
-  w111->SetBounds(gfx::Rect(5, 6, 100, 100));
-  w11ll->AddChild(w111);
-
-  Window* w12 = new Window(NULL);
-  w12->Init(WINDOW_LAYER_NOT_DRAWN);
-  w12->SetBounds(gfx::Rect(7, 8, 100, 100));
-  w1ll->AddChild(w12);
-
-  Window* w121 = new Window(NULL);
-  w121->Init(WINDOW_LAYER_NOT_DRAWN);
-  w121->SetBounds(gfx::Rect(9, 10, 100, 100));
-  w12->AddChild(w121);
-
-  root.AddChild(w1ll);
-
-  w111->SetBounds(gfx::Rect(7, 8, 11, 12));
-  EXPECT_EQ("7,8 11x12", w111->bounds().ToString());
-  EXPECT_EQ("7,8 11x12", w111->GetTargetBounds().ToString());
-  EXPECT_EQ("11,14 11x12", w111->layer()->bounds().ToString());
-
-  // Set back.
-  w111->SetBounds(gfx::Rect(5, 6, 100, 100));
-  EXPECT_EQ("5,6 100x100", w111->bounds().ToString());
-  EXPECT_EQ("5,6 100x100", w111->GetTargetBounds().ToString());
-  EXPECT_EQ("9,12 100x100", w111->layer()->bounds().ToString());
-
-  // Setting the bounds of a layerless window needs to adjust the bounds of
-  // layered children.
-  w11ll->SetBounds(gfx::Rect(5, 6, 100, 100));
-  EXPECT_EQ("5,6 100x100", w11ll->bounds().ToString());
-  EXPECT_EQ("5,6 100x100", w11ll->GetTargetBounds().ToString());
-  EXPECT_EQ("5,6 100x100", w111->bounds().ToString());
-  EXPECT_EQ("5,6 100x100", w111->GetTargetBounds().ToString());
-  EXPECT_EQ("11,14 100x100", w111->layer()->bounds().ToString());
-
-  root.RemoveChild(w1ll);
-
-  w111->SetBounds(gfx::Rect(7, 8, 11, 12));
-  EXPECT_EQ("7,8 11x12", w111->bounds().ToString());
-  EXPECT_EQ("7,8 11x12", w111->GetTargetBounds().ToString());
-  EXPECT_EQ("7,8 11x12", w111->layer()->bounds().ToString());
-
-  delete w1ll;
-}
-
 namespace {
 
 // Tracks the number of times paint is invoked along with what the clip and
@@ -3063,443 +2878,6 @@ class PaintWindowDelegate : public TestWindowDelegate {
 
 }  // namespace
 
-// Assertions around layerless children being painted when non-layerless window
-// is painted.
-TEST_F(WindowTest, PaintLayerless) {
-  // Creates the following structure (all children owned by root):
-  // root
-  //   w1ll      1,2 40x50
-  //     w11ll   3,4 11x12
-  //       w111  5,6
-  //
-  // ll: layer less, eg no layer
-  PaintWindowDelegate w1ll_delegate;
-  PaintWindowDelegate w11ll_delegate;
-  PaintWindowDelegate w111_delegate;
-
-  Window root(NULL);
-  root.Init(WINDOW_LAYER_NOT_DRAWN);
-  root.SetBounds(gfx::Rect(0, 0, 100, 100));
-
-  Window* w1ll = new Window(&w1ll_delegate);
-  w1ll->Init(WINDOW_LAYER_NONE);
-  w1ll->SetBounds(gfx::Rect(1, 2, 40, 50));
-  w1ll->Show();
-  root.AddChild(w1ll);
-
-  Window* w11ll = new Window(&w11ll_delegate);
-  w11ll->Init(WINDOW_LAYER_NONE);
-  w11ll->SetBounds(gfx::Rect(3, 4, 11, 12));
-  w11ll->Show();
-  w1ll->AddChild(w11ll);
-
-  Window* w111 = new Window(&w111_delegate);
-  w111->Init(WINDOW_LAYER_NOT_DRAWN);
-  w111->SetBounds(gfx::Rect(5, 6, 100, 100));
-  w111->Show();
-  w11ll->AddChild(w111);
-
-  EXPECT_EQ(0, w1ll_delegate.paint_count());
-  EXPECT_EQ(0, w11ll_delegate.paint_count());
-  EXPECT_EQ(0, w111_delegate.paint_count());
-
-  // Paint the root, this should trigger painting of the two layerless
-  // descendants but not the layered descendant.
-  gfx::Canvas canvas(gfx::Size(200, 200), 1.0f, true);
-  static_cast<ui::LayerDelegate&>(root).OnPaintLayer(&canvas);
-
-  // NOTE: SkCanvas::getClipBounds() extends the clip 1 pixel to the left and up
-  // and 2 pixels down and to the right.
-  EXPECT_EQ(1, w1ll_delegate.paint_count());
-  EXPECT_EQ("-1,-1 42x52",
-            w1ll_delegate.most_recent_paint_clip_bounds().ToString());
-  EXPECT_EQ("[1 2]",
-            w1ll_delegate.most_recent_paint_matrix_offset().ToString());
-  EXPECT_EQ(1, w11ll_delegate.paint_count());
-  EXPECT_EQ("-1,-1 13x14",
-            w11ll_delegate.most_recent_paint_clip_bounds().ToString());
-  EXPECT_EQ("[4 6]",
-            w11ll_delegate.most_recent_paint_matrix_offset().ToString());
-  EXPECT_EQ(0, w111_delegate.paint_count());
-}
-
-namespace {
-
-std::string ConvertPointToTargetString(const Window* source,
-                                       const Window* target) {
-  gfx::Point location;
-  Window::ConvertPointToTarget(source, target, &location);
-  return location.ToString();
-}
-
-}  // namespace
-
-// Assertions around Window::ConvertPointToTarget() with layerless windows.
-TEST_F(WindowTest, ConvertPointToTargetLayerless) {
-  // Creates the following structure (all children owned by root):
-  // root
-  //   w1ll      1,2
-  //     w11ll   3,4
-  //       w111  5,6
-  //     w12     7,8
-  //       w121  9,10
-  //
-  // ll: layer less, eg no layer
-  Window root(NULL);
-  root.Init(WINDOW_LAYER_NOT_DRAWN);
-  root.SetBounds(gfx::Rect(0, 0, 100, 100));
-
-  Window* w1ll = new Window(NULL);
-  w1ll->Init(WINDOW_LAYER_NONE);
-  w1ll->SetBounds(gfx::Rect(1, 2, 100, 100));
-
-  Window* w11ll = new Window(NULL);
-  w11ll->Init(WINDOW_LAYER_NONE);
-  w11ll->SetBounds(gfx::Rect(3, 4, 100, 100));
-  w1ll->AddChild(w11ll);
-
-  Window* w111 = new Window(NULL);
-  w111->Init(WINDOW_LAYER_NOT_DRAWN);
-  w111->SetBounds(gfx::Rect(5, 6, 100, 100));
-  w11ll->AddChild(w111);
-
-  Window* w12 = new Window(NULL);
-  w12->Init(WINDOW_LAYER_NOT_DRAWN);
-  w12->SetBounds(gfx::Rect(7, 8, 100, 100));
-  w1ll->AddChild(w12);
-
-  Window* w121 = new Window(NULL);
-  w121->Init(WINDOW_LAYER_NOT_DRAWN);
-  w121->SetBounds(gfx::Rect(9, 10, 100, 100));
-  w12->AddChild(w121);
-
-  root.AddChild(w1ll);
-
-  // w111->w11ll
-  EXPECT_EQ("5,6", ConvertPointToTargetString(w111, w11ll));
-
-  // w111->w1ll
-  EXPECT_EQ("8,10", ConvertPointToTargetString(w111, w1ll));
-
-  // w111->root
-  EXPECT_EQ("9,12", ConvertPointToTargetString(w111, &root));
-
-  // w111->w12
-  EXPECT_EQ("1,2", ConvertPointToTargetString(w111, w12));
-
-  // w111->w121
-  EXPECT_EQ("-8,-8", ConvertPointToTargetString(w111, w121));
-
-  // w11ll->w111
-  EXPECT_EQ("-5,-6", ConvertPointToTargetString(w11ll, w111));
-
-  // w11ll->w11ll
-  EXPECT_EQ("3,4", ConvertPointToTargetString(w11ll, w1ll));
-
-  // w11ll->root
-  EXPECT_EQ("4,6", ConvertPointToTargetString(w11ll, &root));
-
-  // w11ll->w12
-  EXPECT_EQ("-4,-4", ConvertPointToTargetString(w11ll, w12));
-}
-
-#if !defined(NDEBUG)
-// Verifies PrintWindowHierarchy() doesn't crash with a layerless window.
-TEST_F(WindowTest, PrintWindowHierarchyNotCrashLayerless) {
-  Window root(NULL);
-  root.Init(WINDOW_LAYER_NONE);
-  root.SetBounds(gfx::Rect(0, 0, 100, 100));
-  root.PrintWindowHierarchy(0);
-}
-#endif
-
-namespace {
-
-// See AddWindowsFromString() for details.
-aura::Window* CreateWindowFromDescription(const std::string& description,
-                                          WindowDelegate* delegate) {
-  WindowLayerType window_type = WINDOW_LAYER_NOT_DRAWN;
-  std::vector<std::string> tokens;
-  Tokenize(description, ":", &tokens);
-  DCHECK(!tokens.empty());
-  std::string name(tokens[0]);
-  tokens.erase(tokens.begin());
-  if (!tokens.empty()) {
-    if (tokens[0] == "ll") {
-      window_type = WINDOW_LAYER_NONE;
-      tokens.erase(tokens.begin());
-    }
-    DCHECK(tokens.empty()) << "unknown tokens for creating window "
-                           << description;
-  }
-  Window* window = new Window(delegate);
-  window->Init(window_type);
-  window->SetName(name);
-  // Window name is only propagated to layer in debug builds.
-  if (window->layer())
-    window->layer()->set_name(name);
-  return window;
-}
-
-// Creates and adds a tree of windows to |parent|. |description| consists
-// of the following pieces:
-//   X: Identifies a new window. Consists of a name and optionally ":ll" to
-//      specify  WINDOW_LAYER_NONE, eg "w1:ll".
-//   []: optionally used to specify the children of the window. Contains any
-//       number of window identifiers and their corresponding children.
-// For example: "[ a [ a1 a2:ll ] b c [ c1 ] ]" creates the tree:
-//   a
-//     a1
-//     a2 -> WINDOW_LAYER_NONE.
-//   b
-//   c
-//     c1
-// NOTE: you must have a space after every token.
-std::string::size_type AddWindowsFromString(aura::Window* parent,
-                                            const std::string& description,
-                                            std::string::size_type start_pos,
-                                            WindowDelegate* delegate) {
-  DCHECK(parent);
-  std::string::size_type end_pos = description.find(' ', start_pos);
-  while (end_pos != std::string::npos) {
-    const std::string::size_type part_length = end_pos - start_pos;
-    const std::string window_description =
-        description.substr(start_pos, part_length);
-    if (window_description == "[") {
-      start_pos = AddWindowsFromString(parent->children().back(),
-                                       description,
-                                       end_pos + 1,
-                                       delegate);
-      end_pos = description.find(' ', start_pos);
-      if (end_pos == std::string::npos && start_pos != end_pos)
-        end_pos = description.length();
-    } else if (window_description == "]") {
-      ++end_pos;
-      break;
-    } else {
-      Window* window =
-          CreateWindowFromDescription(window_description, delegate);
-      parent->AddChild(window);
-      start_pos = ++end_pos;
-      end_pos = description.find(' ', start_pos);
-    }
-  }
-  return end_pos;
-}
-
-// Used by BuildRootWindowTreeDescription().
-std::string BuildWindowTreeDescription(const aura::Window& window) {
-  std::string result;
-  result += window.name();
-  if (window.children().empty())
-    return result;
-
-  result += " [ ";
-  for (size_t i = 0; i < window.children().size(); ++i) {
-    if (i != 0)
-      result += " ";
-    result += BuildWindowTreeDescription(*(window.children()[i]));
-  }
-  result += " ]";
-  return result;
-}
-
-// Creates a string from |window|. See AddWindowsFromString() for details of the
-// returned string. This does *not* include the layer type in the description,
-// on the name.
-std::string BuildRootWindowTreeDescription(const aura::Window& window) {
-  std::string result;
-  for (size_t i = 0; i < window.children().size(); ++i) {
-    if (i != 0)
-      result += " ";
-    result += BuildWindowTreeDescription(*(window.children()[i]));
-  }
-  return result;
-}
-
-// Used by BuildRootWindowTreeDescription().
-std::string BuildLayerTreeDescription(const ui::Layer& layer) {
-  std::string result;
-  result += layer.name();
-  if (layer.children().empty())
-    return result;
-
-  result += " [ ";
-  for (size_t i = 0; i < layer.children().size(); ++i) {
-    if (i != 0)
-      result += " ";
-    result += BuildLayerTreeDescription(*(layer.children()[i]));
-  }
-  result += " ]";
-  return result;
-}
-
-// Builds a string for all the children of |layer|. The returned string is in
-// the same format as AddWindowsFromString() but only includes the name of the
-// layers.
-std::string BuildRootLayerTreeDescription(const ui::Layer& layer) {
-  std::string result;
-  for (size_t i = 0; i < layer.children().size(); ++i) {
-    if (i != 0)
-      result += " ";
-    result += BuildLayerTreeDescription(*(layer.children()[i]));
-  }
-  return result;
-}
-
-// Returns the first window whose name matches |name| in |parent|.
-aura::Window* FindWindowByName(aura::Window* parent,
-                               const std::string& name) {
-  if (parent->name() == name)
-    return parent;
-  for (size_t i = 0; i < parent->children().size(); ++i) {
-    aura::Window* child = FindWindowByName(parent->children()[i], name);
-    if (child)
-      return child;
-  }
-  return NULL;
-}
-
-}  // namespace
-
-// Direction to stack.
-enum StackType {
-  STACK_ABOVE,
-  STACK_BELOW,
-  STACK_AT_BOTTOM,
-  STACK_AT_TOP,
-};
-
-// Permutations of StackChildAt with various data.
-TEST_F(WindowTest, StackChildAtLayerless) {
-  struct TestData {
-    // Describes the window tree to create. See AddWindowsFromString() for
-    // details.
-    const std::string initial_description;
-
-    // Identifies the window to move.
-    const std::string source_window;
-
-    // Window to move |source_window| relative to. Not used for STACK_AT_BOTTOM
-    // or STACK_AT_TOP.
-    const std::string target_window;
-
-    StackType stack_type;
-
-    // Expected window and layer results.
-    const std::string expected_description;
-    const std::string expected_layer_description;
-  } data[] = {
-    // 1 at top.
-    {
-      "1:ll [ 11 12 ] 2:ll [ 21 ]",
-      "1",
-      "",
-      STACK_AT_TOP,
-      "2 [ 21 ] 1 [ 11 12 ]",
-      "21 11 12",
-    },
-
-    // 1 at bottom.
-    {
-      "1:ll [ 11 12 ] 2:ll [ 21 ]",
-      "1",
-      "",
-      STACK_AT_BOTTOM,
-      "1 [ 11 12 ] 2 [ 21 ]",
-      "11 12 21",
-    },
-
-    // 2 at bottom.
-    {
-      "1:ll [ 11 12 ] 2:ll [ 21 ]",
-      "2",
-      "",
-      STACK_AT_BOTTOM,
-      "2 [ 21 ] 1 [ 11 12 ]",
-      "21 11 12",
-    },
-
-    // 3 below 2.
-    {
-      "1:ll [ 11 12 ] 2:ll [ 21 ] 3:ll",
-      "3",
-      "2",
-      STACK_BELOW,
-      "1 [ 11 12 ] 3 2 [ 21 ]",
-      "11 12 21",
-    },
-
-    // 2 below 1.
-    {
-      "1:ll [ 11 12 ] 2:ll [ 21 ]",
-      "2",
-      "1",
-      STACK_BELOW,
-      "2 [ 21 ] 1 [ 11 12 ]",
-      "21 11 12",
-    },
-
-    // 1 above 3.
-    {
-      "1:ll [ 11 12 ] 2:ll [ 21 ] 3:ll",
-      "1",
-      "3",
-      STACK_ABOVE,
-      "2 [ 21 ] 3 1 [ 11 12 ]",
-      "21 11 12",
-    },
-
-    // 1 above 2.
-    {
-      "1:ll [ 11 12 ] 2:ll [ 21 ]",
-      "1",
-      "2",
-      STACK_ABOVE,
-      "2 [ 21 ] 1 [ 11 12 ]",
-      "21 11 12",
-    },
-  };
-  for (size_t i = 0; i < arraysize(data); ++i) {
-    test::TestWindowDelegate delegate;
-    Window root(NULL);
-    root.Init(WINDOW_LAYER_NOT_DRAWN);
-    root.SetBounds(gfx::Rect(0, 0, 100, 100));
-    AddWindowsFromString(
-        &root,
-        data[i].initial_description,
-        static_cast<std::string::size_type>(0), &delegate);
-    aura::Window* source = FindWindowByName(&root, data[i].source_window);
-    ASSERT_TRUE(source != NULL) << "unable to find source window "
-                                << data[i].source_window << " at " << i;
-    aura::Window* target = FindWindowByName(&root, data[i].target_window);
-    switch (data[i].stack_type) {
-      case STACK_ABOVE:
-        ASSERT_TRUE(target != NULL) << "unable to find target window "
-                                    << data[i].target_window << " at " << i;
-        source->parent()->StackChildAbove(source, target);
-        break;
-      case STACK_BELOW:
-        ASSERT_TRUE(target != NULL) << "unable to find target window "
-                                    << data[i].target_window << " at " << i;
-        source->parent()->StackChildBelow(source, target);
-        break;
-      case STACK_AT_BOTTOM:
-        source->parent()->StackChildAtBottom(source);
-        break;
-      case STACK_AT_TOP:
-        source->parent()->StackChildAtTop(source);
-        break;
-    }
-    EXPECT_EQ(data[i].expected_layer_description,
-              BuildRootLayerTreeDescription(*root.layer()))
-        << "layer tree doesn't match at " << i;
-    EXPECT_EQ(data[i].expected_description,
-              BuildRootWindowTreeDescription(root))
-        << "window tree doesn't match at " << i;
-  }
-}
-
 namespace {
 
 class TestLayerAnimationObserver : public ui::LayerAnimationObserver {