DevTools: add Save... to images in Application panel.

third_party/WebKit/Source/devtools/front_end/source_frame/ImageView.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 91 matching lines @@
     },
 
     _contextMenu: function(event)
     {
         var contextMenu = new WebInspector.ContextMenu(event);
         if (!this._parsedURL.isDataURL())
             contextMenu.appendItem(WebInspector.UIString.capitalize("Copy ^image URL"), this._copyImageURL.bind(this));
         if (this._imagePreviewElement.src)
             contextMenu.appendItem(WebInspector.UIString.capitalize("Copy ^image as Data URI"), this._copyImageAsDataURL.bind(this));
         contextMenu.appendItem(WebInspector.UIString.capitalize("Open ^image in ^new ^tab"), this._openInNewTab.bind(this));
+        contextMenu.appendItem(WebInspector.UIString.capitalize("Save\u2026"), this._saveImage.bind(this));
         contextMenu.show();
     },
 
     _copyImageAsDataURL: function()
     {
         InspectorFrontendHost.copyText(this._imagePreviewElement.src);
     },
 
     _copyImageURL: function()
     {
         InspectorFrontendHost.copyText(this._url);
     },
 
+    _saveImage: function()
+    {
+        var link = createElement("a");
+        link.download = this._parsedURL.displayName;
+        link.href = this._url;
+        link.click();
+    },
+
     _openInNewTab: function()
     {
         InspectorFrontendHost.openInNewTab(this._url);
     },
 
     __proto__: WebInspector.VBoxWithToolbarItems.prototype
 }