Switch to standard integer types in ui/gfx/.

ui/gfx/platform_font_mac_unittest.mm

 // Copyright (c) 2012 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 <Cocoa/Cocoa.h>
+#include <stddef.h>
 
+#include "base/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/font.h"
 
 TEST(PlatformFontMacTest, DeriveFont) {
   // Use a base font that support all traits.
   gfx::Font base_font("Helvetica", 13);
 
   // Bold
   gfx::Font bold_font(base_font.Derive(0, gfx::Font::BOLD));
   NSFontTraitMask traits = [[NSFontManager sharedFontManager]
@@ skipping 73 matching lines @@
       // (plus baseline). So the height depends on the rounding of the ascender,
       // and can be as much as 1 greater than the simple sum of floats.
       EXPECT_LE(sum, font.GetHeight());
       EXPECT_GE(sum + 1, font.GetHeight());
 
       // Recreate the rounding performed for GetBaseLine().
       EXPECT_EQ(ceil(ceil(ascender) - descender + leading), font.GetHeight());
     }
   }
 }