Detect <link rel='manifest'> and notify embedder.

public/web/WebFrame.h

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 210 matching lines @@
     // Returns the child frame identified by the given name.
     virtual WebFrame* findChildByName(const WebString& name) const = 0;
 
 
     // Content ------------------------------------------------------------
 
     virtual WebDocument document() const = 0;
 
     virtual WebPerformance performance() const = 0;
 
+    virtual WebURL manifestURL() const = 0;

[abarth-chromium, 2014/05/01 17:51:16]

This API should be on WebDocument rather than WebFrame.  It's a property of the
document itself, not of the frame that contains the document.

[mlamouri (slow - plz ping), 2014/05/01 18:00:09]

Will look into that.

+
 
     // Closing -------------------------------------------------------------
 
     // Runs beforeunload handlers for this frame, returning false if a
     // handler suppressed unloading.
     virtual bool dispatchBeforeUnloadEvent() = 0;
 
     // Runs unload handlers for this frame.
     virtual void dispatchUnloadEvent() = 0;
 
@@ skipping 417 matching lines @@
     // text form. This is used only by layout tests.
     virtual WebString layerTreeAsText(bool showDebugInfo = false) const = 0;
 
 protected:
     ~WebFrame() { }
 };
 
 } // namespace blink
 
 #endif