Convert menu strings to UTF16, fix some views-GTK build errors.

views/widget/widget_gtk.cc

Index: views/widget/widget_gtk.cc
diff --git a/views/widget/widget_gtk.cc b/views/widget/widget_gtk.cc
index 64493c430a82b0e65929b1db7fbadfdebb662eda..3bec281f86af6884fc57e50c46bf8098cec2693d 100644
--- a/views/widget/widget_gtk.cc
+++ b/views/widget/widget_gtk.cc
@@ -77,8 +77,7 @@ WidgetGtk::~WidgetGtk() {
 }
 
 void WidgetGtk::Init(GtkWidget* parent,
-                     const gfx::Rect& bounds,
-                     bool has_own_focus_manager) {
+                     const gfx::Rect& bounds) {
   // Force creation of the RootView if it hasn't been created yet.
   GetRootView();
 
@@ -106,8 +105,6 @@ void WidgetGtk::Init(GtkWidget* parent,
 
   root_view_->OnWidgetCreated();
 
-  // TODO(port): if(has_own_focus_manager) block
-
   SetRootViewForWidget(widget_, root_view_.get());
 
   MessageLoopForUI::current()->AddObserver(this);