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

Source/modules/encryptedmedia/MediaKeysController.cpp

Index: Source/modules/encryptedmedia/MediaKeysController.cpp
diff --git a/Source/modules/encryptedmedia/MediaKeysController.cpp b/Source/modules/encryptedmedia/MediaKeysController.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..fca4b205c1d5ab8411668c7e1b6934fdb93b5358
--- /dev/null
+++ b/Source/modules/encryptedmedia/MediaKeysController.cpp
@@ -0,0 +1,35 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "modules/encryptedmedia/MediaKeysController.h"
+
+namespace WebCore {
+
+const char* MediaKeysController::supplementName()
+{
+    return "MediaKeysController";
+}
+
+MediaKeysController::MediaKeysController(MediaKeysClient* client)
+    : m_client(client)
+{
+}
+
+MediaKeysController::~MediaKeysController()
+{
+}
+
+PassOwnPtr<MediaKeysController> MediaKeysController::create(MediaKeysClient* client)
+{
+    return adoptPtr(new MediaKeysController(client));
+}
+
+void provideMediaKeysTo(Page& page, MediaKeysClient* client)
+{
+    MediaKeysController::provideTo(page, MediaKeysController::supplementName(), MediaKeysController::create(client));
+}
+
+} // namespace WebCore
+