Extract NativeAppWindow from src/extensions

components/native_app_window/size_constraints.h

 // Copyright 2014 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.
 
-#ifndef EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
-#define EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
+#ifndef COMPONENTS_NATIVE_APP_WINDOW_SIZE_CONSTRAINTS_H_
+#define COMPONENTS_NATIVE_APP_WINDOW_SIZE_CONSTRAINTS_H_
 
+#include "components/native_app_window/native_app_window_export.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace gfx {
 class Insets;
 }
 
-namespace extensions {
+namespace native_app_window {
 
-class SizeConstraints {
+class NATIVE_APP_WINDOW_EXPORT SizeConstraints {
  public:
   // The value SizeConstraints uses to represent an unbounded width or height.
   // This is an enum so that it can be declared inline here.
   enum { kUnboundedSize = 0 };
 
   SizeConstraints();
   SizeConstraints(const gfx::Size& min_size, const gfx::Size& max_size);
   ~SizeConstraints();
 
   // Adds frame insets to a size constraint.
@@ skipping 18 matching lines @@
   gfx::Size GetMinimumSize() const;
 
   void set_minimum_size(const gfx::Size& min_size);
   void set_maximum_size(const gfx::Size& max_size);
 
  private:
   gfx::Size minimum_size_;
   gfx::Size maximum_size_;
 };
 
-}  // namespace extensions
+}  // namespace native_app_window
 
-#endif  // EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
+#endif  // COMPONENTS_NATIVE_APP_WINDOW_SIZE_CONSTRAINTS_H_