Remove TOOLKIT_USES_GTK

ui/base/x/x11_util.h

Index: ui/base/x/x11_util.h
diff --git a/ui/base/x/x11_util.h b/ui/base/x/x11_util.h
index 64e7d648df1551ae802157afafcfccbfa3b6cf13..771e8ef3705359fb276788b27601e7f97053c089 100644
--- a/ui/base/x/x11_util.h
+++ b/ui/base/x/x11_util.h
@@ -26,7 +26,7 @@ typedef struct _XDisplay Display;
 typedef unsigned long Cursor;
 typedef struct _XcursorImage XcursorImage;
 
-#if defined(TOOLKIT_USES_GTK)
+#if defined(TOOLKIT_GTK)
 typedef struct _GdkDrawable GdkWindow;
 typedef struct _GtkWidget GtkWidget;
 typedef struct _GtkWindow GtkWindow;
@@ -99,7 +99,7 @@ UI_EXPORT XID GetX11RootWindow();
 // Returns the user's current desktop.
 bool GetCurrentDesktop(int* desktop);
 
-#if defined(TOOLKIT_USES_GTK)
+#if defined(TOOLKIT_GTK)
 // Get the X window id for the given GTK widget.
 UI_EXPORT XID GetX11WindowFromGtkWidget(GtkWidget* widget);
 XID GetX11WindowFromGdkWindow(GdkWindow* window);
@@ -112,7 +112,7 @@ UI_EXPORT GtkWindow* GetGtkWindowFromX11Window(XID xid);
 // Get a Visual from the given widget. Since we don't include the Xlib
 // headers, this is returned as a void*.
 UI_EXPORT void* GetVisualFromGtkWidget(GtkWidget* widget);
-#endif  // defined(TOOLKIT_USES_GTK)
+#endif  // defined(TOOLKIT_GTK)
 
 // Return the number of bits-per-pixel for a pixmap of the given depth
 UI_EXPORT int BitsPerPixelForPixmapDepth(Display* display, int depth);