Create Pepper-based CDM for EME WD (Blink changes)

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 34 matching lines @@
 #include "public/platform/WebStorageQuotaType.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebURLRequest.h"
 #include <v8.h>
 
 namespace blink {
 
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebCachedURLRequest;
+class WebContentDecryptionModule;
 class WebCookieJar;
 class WebDataSource;
 class WebDOMEvent;
 class WebFormElement;
 class WebFrame;
 class WebInputEvent;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
 class WebServiceWorkerProvider;
 class WebServiceWorkerProviderClient;
@@ skipping 18 matching lines @@
 public:
     // Factory methods -----------------------------------------------------
 
     // May return null.
     virtual WebPlugin* createPlugin(WebFrame*, const WebPluginParams&) { return 0; }
 
     // May return null.
     virtual WebMediaPlayer* createMediaPlayer(WebFrame*, const WebURL&, WebMediaPlayerClient*) { return 0; }
 
     // May return null.
+    virtual WebContentDecryptionModule* createContentDecryptionModule(WebFrame*, const WebSecurityOrigin&, const WebString& keySystem) { return 0; }
+
+    // May return null.
     virtual WebApplicationCacheHost* createApplicationCacheHost(WebFrame*, WebApplicationCacheHostClient*) { return 0; }
 
     // May return null. Takes ownership of the client.
     // FIXME: Deprecate the second argument.
     virtual WebServiceWorkerProvider* createServiceWorkerProvider(WebFrame*, WebServiceWorkerProviderClient*) { return 0; }
     virtual WebServiceWorkerProvider* createServiceWorkerProvider(WebFrame* frame) { return createServiceWorkerProvider(frame, 0); }
 
     // May return null.
     virtual WebWorkerPermissionClientProxy* createWorkerPermissionClientProxy(WebFrame*) { return 0; }
 
@@ skipping 293 matching lines @@
     // Send initial drawing parameters to a child frame that is being rendered out of process.
     virtual void initializeChildFrame(const WebRect& frameRect, float scaleFactor) { }
 
 protected:
     ~WebFrameClient() { }
 };
 
 } // namespace blink
 
 #endif