Move app.currentWindowInternal API implementation to extensions

chrome/common/extensions/api/app_current_window_internal.idl

-// 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.
-
-// This is used by the app window API internally to pass through messages to
-// the shell window.
-[nodoc] namespace app.currentWindowInternal {
-
-  // Null or undefined indicates that a value should not change.
-  dictionary Bounds {
-    long? left;
-    long? top;
-    long? width;
-    long? height;
-  };
-
-  // Null or undefined indicates that a value should not change. A value of 0
-  // will clear the constraints.
-  dictionary SizeConstraints {
-    long? minWidth;
-    long? minHeight;
-    long? maxWidth;
-    long? maxHeight;
-  };
-
-  dictionary RegionRect {
-    long left;
-    long top;
-    long width;
-    long height;
-  };
-
-  dictionary Region {
-    RegionRect[]? rects;
-  };
-
-  interface Functions {
-    static void focus();
-    static void fullscreen();
-    static void minimize();
-    static void maximize();
-    static void restore();
-    static void drawAttention();
-    static void clearAttention();
-    static void show(optional boolean focused);
-    static void hide();
-    static void setBounds(DOMString boundsType, Bounds bounds);
-    static void setSizeConstraints(DOMString boundsType,
-                                   SizeConstraints constraints);
-    static void setIcon(DOMString icon_url);
-    static void setBadgeIcon(DOMString icon_url);
-    static void clearBadge();
-    static void setShape(Region region);
-    static void setAlwaysOnTop(boolean always_on_top);
-    static void setVisibleOnAllWorkspaces(boolean always_visible);
-  };
-
-  interface Events {
-    static void onClosed();
-    static void onBoundsChanged();
-    static void onFullscreened();
-    static void onMinimized();
-    static void onMaximized();
-    static void onRestored();
-    static void onAlphaEnabledChanged();
-    // Only sent in tests.
-    static void onWindowShownForTests();
-  };
-};