Defer maximize mode bounds updates until after exiting overview.

ash/wm/window_animations_unittest.cc

Index: ash/wm/window_animations_unittest.cc
diff --git a/ash/wm/window_animations_unittest.cc b/ash/wm/window_animations_unittest.cc
index 4e4c51893a1bdb5e68aa507726e6fffa4323dfbc..387f6f9b94da5cf44ceb64727ce5c6fd93b34f69 100644
--- a/ash/wm/window_animations_unittest.cc
+++ b/ash/wm/window_animations_unittest.cc
@@ -168,6 +168,46 @@ TEST_F(WindowAnimationsTest, CrossFadeToBounds) {
                                        base::TimeDelta::FromSeconds(1));
 }
 
+// Tests that when crossfading from a window which has a transform that the
+// crossfade starts from this transformed size rather than snapping the window
+// to an identity transform and crossfading from there.
+TEST_F(WindowAnimationsTest, CrossFadeToBoundsFromTransform) {
+  ui::ScopedAnimationDurationScaleMode test_duration_mode(
+      ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
+
+  scoped_ptr<Window> window(CreateTestWindowInShellWithId(0));
+  window->SetBounds(gfx::Rect(10, 10, 320, 240));
+  gfx::Transform half_size;
+  half_size.Translate(10, 10);
+  half_size.Scale(0.5f, 0.5f);
+  window->SetTransform(half_size);
+  window->Show();
+
+  Layer* old_layer = window->layer();
+  EXPECT_EQ(1.0f, old_layer->GetTargetOpacity());
+
+  // Cross fade to a larger size, as in a maximize animation.
+  GetWindowState(window.get())->SetBoundsDirectCrossFade(
+      gfx::Rect(0, 0, 640, 480));
+  // Window's layer has been replaced.
+  EXPECT_NE(old_layer, window->layer());
+  // Original layer stays opaque and stretches to new size.
+  EXPECT_EQ(1.0f, old_layer->GetTargetOpacity());
+  EXPECT_EQ("10,10 320x240", old_layer->bounds().ToString());
+  EXPECT_EQ(half_size, old_layer->transform());
+
+  // New layer animates in from the old window's transformed size to the
+  // identity transform.
+  EXPECT_EQ(1.0f, window->layer()->GetTargetOpacity());
+  // Set up the transform necessary to start at the old windows transformed
+  // position.
+  gfx::Transform quarter_size_shifted;
+  quarter_size_shifted.Translate(20, 20);
+  quarter_size_shifted.Scale(0.25f, 0.25f);
+  EXPECT_EQ(quarter_size_shifted, window->layer()->transform());
+  EXPECT_EQ(gfx::Transform(), window->layer()->GetTargetTransform());
+}
+
 }  // namespace wm
 
 TEST_F(WindowAnimationsTest, LockAnimationDuration) {