Compact layout mananger animates windows rather than the default container layer.

ash/wm/compact_layout_manager_unittest.cc

Index: ash/wm/compact_layout_manager_unittest.cc
diff --git a/ash/wm/compact_layout_manager_unittest.cc b/ash/wm/compact_layout_manager_unittest.cc
index f2768c9ee6b335ebeb585d61ad10ccabff8ad2f6..a2e624b38d4a94aca70ef0d4448df98ae29e7ff1 100644
--- a/ash/wm/compact_layout_manager_unittest.cc
+++ b/ash/wm/compact_layout_manager_unittest.cc
@@ -127,26 +127,25 @@ TEST_F(CompactLayoutManagerTest, StatusAreaVisibility) {
 TEST_F(CompactLayoutManagerTest, TransitionTest) {
   // Assert on viewport size to be the host size.
   ASSERT_EQ(kMaxWidth, default_container_layer_width());
-  // Create 3 windows, check that the layer grow as each one is added
+  // Create 3 windows, check that the layer doesn't grow as each one is added
   // to the layout.
   aura::Window* window1 = CreateNormalWindow(0);
   EXPECT_EQ(kMaxWidth, default_container_layer_width());
   aura::Window* window2 = CreateNormalWindow(1);
-  EXPECT_EQ(kMaxWidth * 2, default_container_layer_width());
+  EXPECT_EQ(kMaxWidth, default_container_layer_width());
   aura::Window* window3 = CreateNormalWindow(2);
-  EXPECT_EQ(kMaxWidth * 3, default_container_layer_width());
+  EXPECT_EQ(kMaxWidth, default_container_layer_width());
   animation_element()->Step(base::TimeTicks::Now() +
                             base::TimeDelta::FromSeconds(1));
   RunAllPendingInMessageLoop();
 
   // Check laid out position of the windows.
-  EXPECT_EQ(0, window1->bounds().x());
-  EXPECT_EQ(kMaxWidth, window2->bounds().x());
-  EXPECT_EQ(kMaxWidth * 2, window3->bounds().x());
+  EXPECT_EQ(-kMaxWidth * 2, window1->bounds().x());
+  EXPECT_EQ(-kMaxWidth, window2->bounds().x());
+  EXPECT_EQ(0, window3->bounds().x());
 
   // Check layer transformation.
   ui::Transform target_transform;
-  target_transform.ConcatTranslate(-window3->bounds().x(), 0);
   EXPECT_EQ(target_transform, default_container_layer_transform());
   RunAllPendingInMessageLoop();
 
@@ -161,9 +160,11 @@ TEST_F(CompactLayoutManagerTest, TransitionTest) {
   window3->Hide();
   animation_element()->Step(base::TimeTicks::Now() +
                             base::TimeDelta::FromSeconds(1));
-  ui::Transform target_transform1;
-  target_transform1.ConcatTranslate(-window1->bounds().x(), 0);
-  EXPECT_EQ(target_transform1, default_container_layer_transform());
+
+  // Check laid out position of the windows.
+  EXPECT_EQ(0, window1->bounds().x());
+  EXPECT_EQ(kMaxWidth, window2->bounds().x());
+
   EXPECT_TRUE(window1->IsVisible());
   EXPECT_FALSE(window2->IsVisible());
   EXPECT_FALSE(window3->IsVisible());