diff --git content/browser/renderer_host/render_widget_host_view_aura.cc content/browser/renderer_host/render_widget_host_view_aura.cc
index c7aac43..89817b7 100644
--- content/browser/renderer_host/render_widget_host_view_aura.cc
+++ content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -758,6 +758,13 @@ void RenderWidgetHostViewAura::SetKeyboardFocus() {
       ::SetFocus(host->GetAcceleratedWidget());
   }
 #endif
+#if defined(OS_LINUX)
+  if (CanFocus()) {
+    aura::WindowTreeHost* host = window_->GetHost();
+    if (host)
+      host->Show();
+  }
+#endif
   if (host_ && set_focus_on_mouse_down_) {
     set_focus_on_mouse_down_ = false;
     host_->Focus();
diff --git ui/views/widget/desktop_aura/x11_desktop_handler.cc ui/views/widget/desktop_aura/x11_desktop_handler.cc
index 5ab84f9..1052e2c 100644
--- ui/views/widget/desktop_aura/x11_desktop_handler.cc
+++ ui/views/widget/desktop_aura/x11_desktop_handler.cc
@@ -31,6 +31,30 @@ views::X11DesktopHandler* g_handler = NULL;
 
 namespace views {
 
+namespace {
+
+bool IsParentOfWindow(XDisplay* xdisplay,
+                      ::Window potential_parent,
+                      ::Window window) {
+  ::Window parent_win, root_win;
+  Window* child_windows;
+  unsigned int num_child_windows;
+  while (window) {
+    if (!XQueryTree(xdisplay, window, &root_win, &parent_win,
+                    &child_windows, &num_child_windows)) {
+      break;
+    }
+    if(child_windows)
+      XFree(child_windows);
+    if (parent_win == potential_parent)
+      return true;
+    window = parent_win;
+  }
+  return false;
+}
+
+}  // namespace
+
 // static
 X11DesktopHandler* X11DesktopHandler::get() {
   if (!g_handler)
@@ -58,14 +82,7 @@ X11DesktopHandler::X11DesktopHandler()
                attr.your_event_mask | PropertyChangeMask |
                StructureNotifyMask | SubstructureNotifyMask);
 
-  if (ui::GuessWindowManager() == ui::WM_WMII) {
-    // wmii says that it supports _NET_ACTIVE_WINDOW but does not.
-    // https://code.google.com/p/wmii/issues/detail?id=266
-    wm_supports_active_window_ = false;
-  } else {
-    wm_supports_active_window_ =
-        ui::WmSupportsHint(atom_cache_.GetAtom("_NET_ACTIVE_WINDOW"));
-  }
+  wm_supports_active_window_ = false;
 }
 
 X11DesktopHandler::~X11DesktopHandler() {
@@ -175,8 +192,10 @@ uint32_t X11DesktopHandler::DispatchEvent(const ui::PlatformEvent& event) {
         ::Window window;
         if (ui::GetXIDProperty(x_root_window_, "_NET_ACTIVE_WINDOW", &window) &&
             window) {
-          x_active_window_ = window;
-          OnActiveWindowChanged(window, ACTIVE);
+          if (!IsParentOfWindow(xdisplay_, window, current_window_)) {
+            x_active_window_ = window;
+            OnActiveWindowChanged(window, ACTIVE);
+          }
         } else {
           x_active_window_ = None;
         }