Move a bunch of random other files to src/ui/base...

views/widget/widget_gtk.h

Index: views/widget/widget_gtk.h
===================================================================
--- views/widget/widget_gtk.h	(revision 71854)
+++ views/widget/widget_gtk.h	(working copy)
@@ -8,10 +8,10 @@
 
 #include <gtk/gtk.h>
 
-#include "app/active_window_watcher_x.h"
-#include "app/gtk_signal.h"
 #include "base/message_loop.h"
 #include "gfx/size.h"
+#include "ui/base/gtk/gtk_signal.h"
+#include "ui/base/x/active_window_watcher_x.h"
 #include "views/focus/focus_manager.h"
 #include "views/widget/widget.h"
 
@@ -39,7 +39,7 @@
 class WidgetGtk
     : public Widget,
       public FocusTraversable,
-      public ActiveWindowWatcherX::Observer {
+      public ui::ActiveWindowWatcherX::Observer {
  public:
   // Type of widget.
   enum Type {
@@ -158,7 +158,7 @@
   // size of other kinds of widgets.
   void GetRequestedSize(gfx::Size* out) const;
 
-  // Overriden from ActiveWindowWatcherX::Observer.
+  // Overriden from ui::ActiveWindowWatcherX::Observer.
   virtual void ActiveWindowChanged(GdkWindow* active_window);
 
   // Overridden from Widget: