Don't minimize dragged window when shelf hidden.

ash/wm/panels/panel_window_resizer_unittest.cc

Index: ash/wm/panels/panel_window_resizer_unittest.cc
diff --git a/ash/wm/panels/panel_window_resizer_unittest.cc b/ash/wm/panels/panel_window_resizer_unittest.cc
index 42abd7d792a86ba1e84d75540016500cf8c61fbb..a8422f68a5b61d1e14132f620dd4f0d69cdb8244 100644
--- a/ash/wm/panels/panel_window_resizer_unittest.cc
+++ b/ash/wm/panels/panel_window_resizer_unittest.cc
@@ -273,6 +273,36 @@ TEST_F(PanelWindowResizerTest, PanelDetachReattachTop) {
   DetachReattachTest(window.get(), 0, 1);
 }
 

[Mr4D (OOO till 08-26), 2014/09/18 23:39:00]

Could you please add a comment for this test? You might want to mention the
crbug

[flackr, 2014/09/19 14:17:06]

Done.

+TEST_F(PanelWindowResizerTest, DetachThenHideShelf) {
+  if (!SupportsHostWindowResize())
+    return;
+  scoped_ptr<aura::Window> window(
+      CreatePanelWindow(gfx::Point(0, 0)));
+  wm::WindowState* state = wm::GetWindowState(window.get());
+  gfx::Rect expected_bounds = window->GetBoundsInScreen();
+  expected_bounds.set_y(expected_bounds.y() - 100);
+  DragStart(window.get());
+  DragMove(0, -100);
+  EXPECT_FALSE(state->IsMinimized());
+
+  // Hide the shelf. This minimizes all attached windows but should ignore
+  // the dragged window.
+  ShelfLayoutManager* shelf = RootWindowController::ForWindow(window.get())->
+      shelf()->shelf_layout_manager();
+  shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_ALWAYS_HIDDEN);
+  shelf->UpdateVisibilityState();
+  RunAllPendingInMessageLoop();
+  EXPECT_FALSE(state->IsMinimized());
+  EXPECT_EQ(kShellWindowId_PanelContainer, window->parent()->id());
+  DragEnd();
+
+  // When the drag ends the window should be detached and where it was dragged
+  // to.

[Mr4D (OOO till 08-26), 2014/09/18 23:39:00]

This sentence is odd.

When the drag ends, the window should be detached and placed where it was
dragged to.

Or not?

[flackr, 2014/09/19 14:17:06]

Done.

+  EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
+  EXPECT_FALSE(state->IsMinimized());
+  EXPECT_EQ(expected_bounds.ToString(), window->GetBoundsInScreen().ToString());
+}
+
 TEST_F(PanelWindowResizerTest, PanelDetachReattachMultipleDisplays) {
   if (!SupportsMultipleDisplays())
     return;