Implement frame attribution (FrameBlamer)

third_party/WebKit/public/web/WebFrameClient.h

 /*
  * Copyright (C) 2011, 2012 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 45 matching lines @@
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebURLRequest.h"
 #include <v8.h>
 
 namespace blink {
 
 enum class WebTreeScopeType;
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebAppBannerClient;
+class WebBlameContext;
 class WebBluetooth;
 class WebColorChooser;
 class WebColorChooserClient;
 class WebContentDecryptionModule;
 class WebCookieJar;
 class WebCString;
 class WebDataSource;
 class WebEncryptedMediaClient;
 class WebExternalPopupMenu;
 class WebExternalPopupMenuClient;
@@ skipping 56 matching lines @@
     virtual WebExternalPopupMenu* createExternalPopupMenu(
         const WebPopupMenuInfo&, WebExternalPopupMenuClient*) { return 0; }
 
 
     // Services ------------------------------------------------------------
 
     // A frame specific cookie jar.  May return null, in which case
     // WebKitPlatformSupport::cookieJar() will be called to access cookies.
     virtual WebCookieJar* cookieJar() { return 0; }
 
+    // Returns a blame context for attributing work belonging to this frame.
+    virtual WebBlameContext* frameBlameContext() { return nullptr; }
 
     // General notifications -----------------------------------------------
 
     // Indicates if creating a plugin without an associated renderer is supported.
     virtual bool canCreatePluginWithoutRenderer(const WebString& mimeType) { return false; }
 
     // Indicates that another page has accessed the DOM of the initial empty
     // document of a main frame. After this, it is no longer safe to show a
     // pending navigation's URL, because a URL spoof is possible.
     virtual void didAccessInitialDocument() { }
@@ skipping 547 matching lines @@
     // This method takes ownership of the callbacks pointer.
     virtual void checkIfAudioSinkExistsAndIsAuthorized(const WebString& sinkId, const WebSecurityOrigin&, WebSetSinkIdCallbacks*) { BLINK_ASSERT_NOT_REACHED(); }
 
 protected:
     virtual ~WebFrameClient() { }
 };
 
 } // namespace blink
 
 #endif