Delete the GTK+ port of Chrome.

ui/gfx/geometry/insets.cc

Index: ui/gfx/geometry/insets.cc
diff --git a/ui/gfx/geometry/insets.cc b/ui/gfx/geometry/insets.cc
index 300de4561096e091eaf8406f1beecf945281e246..c29368e1bd9e7a3f01609d53b4f830850f4ef7b6 100644
--- a/ui/gfx/geometry/insets.cc
+++ b/ui/gfx/geometry/insets.cc
@@ -4,10 +4,6 @@
 
 #include "ui/gfx/geometry/insets.h"
 
-#if defined(TOOLKIT_GTK)
-#include <gtk/gtk.h>
-#endif
-
 #include "base/strings/stringprintf.h"
 
 namespace gfx {
@@ -19,15 +15,6 @@ Insets::Insets() : InsetsBase<Insets, int>(0, 0, 0, 0) {}
 Insets::Insets(int top, int left, int bottom, int right)
     : InsetsBase<Insets, int>(top, left, bottom, right) {}
 
-#if defined(TOOLKIT_GTK)
-Insets::Insets(const GtkBorder& border)
-    : InsetsBase<Insets, int>(border.top,
-                              border.left,
-                              border.bottom,
-                              border.right) {
-}
-#endif
-
 Insets::~Insets() {}
 
 std::string Insets::ToString() const {