Move geometric types to a separate, more lightweight target.

ui/gfx/insets.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/gfx/insets.h"
-
-#if defined(TOOLKIT_GTK)
-#include <gtk/gtk.h>
-#endif
-
-#include "base/strings/stringprintf.h"
-
-namespace gfx {
-
-template class InsetsBase<Insets, int>;
-
-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 {
-  // Print members in the same order of the constructor parameters.
-  return base::StringPrintf("%d,%d,%d,%d", top(),  left(), bottom(), right());
-}
-
-}  // namespace gfx