Create chrome/browser/api directory. Move infobar delegates used by Autofill to the directory.

chrome/browser/ui/gtk/infobars/infobar_container_gtk.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/gtk/infobars/infobar_container_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <utility>
 
 #include "base/message_loop.h"
-#include "chrome/browser/infobars/infobar_delegate.h"
+#include "chrome/browser/api/infobars/infobar_delegate.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "chrome/browser/ui/gtk/infobars/infobar_gtk.h"
 #include "third_party/skia/include/effects/SkGradientShader.h"
 #include "ui/base/gtk/gtk_compat.h"
 #include "ui/gfx/canvas_skia_paint.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/rect.h"
@@ skipping 161 matching lines @@
 
   skia::PlatformCanvasPaint canvas(expose, false);
   canvas.drawPath(path, paint);
 
   paint.setShader(NULL);
   paint.setColor(SkColorSetA(gfx::GdkColorToSkColor(source->GetBorderColor()),
                              SkColorGetA(grad_colors[0])));
   paint.setStyle(SkPaint::kStroke_Style);
   canvas.drawPath(path, paint);
 }