Add Stubbed implementation of WebCDM* interfaces for unprefixed EME APIs.

content/renderer/media/webcontentdecryptionmodule_impl.cc

+// Copyright (c) 2013 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 "content/renderer/media/webcontentdecryptionmodule_impl.h"
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+#include "media/base/decrypt_config.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/WebURL.h"
+
+namespace content {
+
+class WebContentDecryptionModuleSessionImpl
+    : public WebKit::WebContentDecryptionModuleSession {
+ public:
+  explicit WebContentDecryptionModuleSessionImpl(
+      WebKit::WebContentDecryptionModuleSession::Client* client);
+  virtual ~WebContentDecryptionModuleSessionImpl();
+
+  // WebKit::WebContentDecryptionModuleSession implementation.
+  virtual WebKit::WebString sessionId() const { return session_id_; }
+  virtual void generateKeyRequest(const WebKit::WebString& mime_type,
+                                  const uint8* init_data,
+                                  size_t init_data_length);
+  virtual void update(const uint8* key, size_t key_length);
+  virtual void close();
+
+ private:
+  WebKit::WebContentDecryptionModuleSession::Client* client_;
+  WebKit::WebString session_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebContentDecryptionModuleSessionImpl);
+};
+
+WebContentDecryptionModuleSessionImpl::WebContentDecryptionModuleSessionImpl(
+    WebKit::WebContentDecryptionModuleSession::Client* client)
+    : client_(client) {
+  // TODO(ddorwin): Populate session_id_ from the real implementation.
+}
+
+WebContentDecryptionModuleSessionImpl::
+~WebContentDecryptionModuleSessionImpl() {
+}
+
+void WebContentDecryptionModuleSessionImpl::generateKeyRequest(
+    const WebKit::WebString& mime_type,
+    const uint8* init_data, size_t init_data_length) {
+  // TODO(ddorwin): Call a real implementation and remove stub event triggers.
+  NOTIMPLEMENTED();
+  client_->keyMessage(NULL, 0, WebKit::WebURL());
+}
+
+void WebContentDecryptionModuleSessionImpl::update(const uint8* key,
+                                                   size_t key_length) {
+  DCHECK(key);
+
+  // TODO(ddorwin): Call a real implementation and remove stub event triggers.
+  NOTIMPLEMENTED();
+  // TODO(ddorwin): Remove when we have a real implementation that passes tests.
+  if (key_length !=
+      static_cast<size_t>(media::DecryptConfig::kDecryptionKeySize)) {
+    client_->keyError(
+        WebKit::WebContentDecryptionModuleSession::Client::
+        MediaKeyErrorCodeUnknown,
+        0);
+    return;
+  }
+  client_->keyAdded();
+}
+
+void WebContentDecryptionModuleSessionImpl::close() {
+  // TODO(ddorwin): Call a real implementation.
+  NOTIMPLEMENTED();
+}
+
+//------------------------------------------------------------------------------
+
+WebContentDecryptionModuleImpl*
+WebContentDecryptionModuleImpl::Create(const string16& key_system) {
+  // TODO(ddorwin): Verify we can create the internal objects & load CDM first.
+  return new WebContentDecryptionModuleImpl(key_system);
+}
+
+WebContentDecryptionModuleImpl::WebContentDecryptionModuleImpl(
+    const string16& key_system) {
+}
+
+WebContentDecryptionModuleImpl::~WebContentDecryptionModuleImpl() {
+}
+
+WebKit::WebContentDecryptionModuleSession*
+WebContentDecryptionModuleImpl::createSession(
+    WebKit::WebContentDecryptionModuleSession::Client* client) {
+  return new WebContentDecryptionModuleSessionImpl(client);
+}
+
+}  // namespace content