Make unprefixed EME APIs use platform and Chromium.

Source/core/platform/graphics/ContentDecryptionModule.cpp

+/*
+ * Copyright (C) 2013 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "core/platform/graphics/ContentDecryptionModule.h"
+
+#include "core/platform/NotImplemented.h"
+#include "core/platform/graphics/ContentDecryptionModuleSession.h"
+#include "public/platform/Platform.h"
+
+namespace WebCore {
+
+bool ContentDecryptionModule::supportsKeySystem(const String& keySystem)
+{
+    // FIXME: Chromium should handle this, possibly using
+    // MIMETypeRegistry::isSupportedEncryptedMediaMIMEType().
+    notImplemented();
+    return keySystem == "org.w3.clearkey";
+}
+
+PassOwnPtr<ContentDecryptionModule> ContentDecryptionModule::create(const String& keySystem)
+{
+    ASSERT(!keySystem.isEmpty());
+    OwnPtr<WebKit::WebContentDecryptionModule> cdm = adoptPtr(WebKit::Platform::current()->createContentDecryptionModule(keySystem));
+    if (!cdm)
+        return nullptr;
+    return adoptPtr(new ContentDecryptionModule(cdm.release()));
+}
+
+ContentDecryptionModule::ContentDecryptionModule(PassOwnPtr<WebKit::WebContentDecryptionModule> cdm)
+    : m_cdm(cdm)
+{
+    ASSERT(m_cdm);
+}
+
+ContentDecryptionModule::~ContentDecryptionModule()
+{
+}
+
+bool ContentDecryptionModule::supportsMIMEType(const String& mimeType)
+{
+    // FIXME: Chromium should handle this, possibly using
+    // MIMETypeRegistry::isSupportedEncryptedMediaMIMEType().
+    notImplemented();
+    return mimeType == "video/webm";
+}
+
+PassOwnPtr<ContentDecryptionModuleSession> ContentDecryptionModule::createSession(ContentDecryptionModuleSessionClient* client)
+{
+    return adoptPtr(new ContentDecryptionModuleSession(m_cdm.get(), client));
+}
+
+} // namespace WebCore