Tablet WM : Swiping on system tray bubble.

ash/system/tray/tray_event_filter.cc

Index: ash/system/tray/tray_event_filter.cc
diff --git a/ash/system/tray/tray_event_filter.cc b/ash/system/tray/tray_event_filter.cc
index 43f142b4cd7e4ee240918cf5f1d0762bdfb37538..873e7df1e7b615266e3df883a81bc2aeb2fb23d5 100644
--- a/ash/system/tray/tray_event_filter.cc
+++ b/ash/system/tray/tray_event_filter.cc
@@ -5,10 +5,12 @@
 #include "ash/system/tray/tray_event_filter.h"
 
 #include "ash/public/cpp/shell_window_ids.h"
+#include "ash/shell.h"
 #include "ash/shell_port.h"
 #include "ash/system/tray/tray_background_view.h"
 #include "ash/system/tray/tray_bubble_wrapper.h"
 #include "ash/wm/container_finder.h"
+#include "ash/wm/maximize_mode/maximize_mode_controller.h"
 #include "ui/aura/window.h"
 #include "ui/views/widget/widget.h"
 
@@ -73,6 +75,19 @@ void TrayEventFilter::ProcessPressedEvent(const gfx::Point& location_in_screen,
 
     gfx::Rect bounds = bubble_widget->GetWindowBoundsInScreen();
     bounds.Inset(wrapper->bubble_view()->GetBorderInsets());
+    // System tray can be dragged to show the bubble if it is in maximize mode.
+    // During the drag, the bubble's logical bounds can extend outside of the
+    // work area, but its visual bounds are only within the work area. Restrict
+    // |bounds| so that events located outside the bubble's visual bounds are
+    // treated as outside of the bubble.
+    int bubble_container_id =
+        wm::GetContainerForWindow(bubble_widget->GetNativeWindow())->id();
+    if (Shell::Get()
+            ->maximize_mode_controller()
+            ->IsMaximizeModeWindowManagerEnabled() &&
+        bubble_container_id == kShellWindowId_SettingBubbleContainer) {
+      bounds.Intersect(bubble_widget->GetWorkAreaBoundsInScreen());
+    }
     if (bounds.Contains(location_in_screen))
       continue;
     if (wrapper->tray()) {