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

Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 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 19 matching lines @@
 
 #ifndef WebViewImpl_h
 #define WebViewImpl_h
 
 #include "BackForwardClientImpl.h"
 #include "ChromeClientImpl.h"
 #include "ContextMenuClientImpl.h"
 #include "DragClientImpl.h"
 #include "EditorClientImpl.h"
 #include "InspectorClientImpl.h"
+#include "MediaKeysClientImpl.h"
 #include "NotificationPresenterImpl.h"
 #include "PageOverlayList.h"
 #include "PageScaleConstraintsSet.h"
 #include "PageWidgetDelegate.h"
 #include "SpellCheckerClientImpl.h"
 #include "StorageClientImpl.h"
 #include "UserMediaClientImpl.h"
 #include "WebInputEvent.h"
 #include "WebNavigationPolicy.h"
 #include "WebView.h"
@@ skipping 691 matching lines @@
     static const WebInputEvent* m_currentInputEvent;
 
 #if ENABLE(INPUT_SPEECH)
     OwnPtr<SpeechInputClientImpl> m_speechInputClient;
 #endif
     OwnPtr<SpeechRecognitionClientProxy> m_speechRecognitionClient;
 
     OwnPtr<GeolocationClientProxy> m_geolocationClientProxy;
 
     UserMediaClientImpl m_userMediaClientImpl;
+    MediaKeysClientImpl m_mediaKeysClientImpl;
     OwnPtr<MIDIClientProxy> m_midiClientProxy;
     OwnPtr<NavigatorContentUtilsClientImpl> m_navigatorContentUtilsClient;
     OwnPtr<WebActiveGestureAnimation> m_gestureAnimation;
     WebPoint m_positionOnFlingStart;
     WebPoint m_globalPositionOnFlingStart;
     int m_flingModifier;
     bool m_flingSourceDevice;
     Vector<OwnPtr<LinkHighlight> > m_linkHighlights;
     OwnPtr<ValidationMessageClientImpl> m_validationMessage;
     OwnPtr<FullscreenController> m_fullscreenController;
 
     bool m_showFPSCounter;
     bool m_showPaintRects;
     bool m_showDebugBorders;
     bool m_continuousPaintingEnabled;
     bool m_showScrollBottleneckRects;
     WebColor m_baseBackgroundColor;
     WebColor m_backgroundColorOverride;
     float m_zoomFactorOverride;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif