media: Support creation and SetCdm() for mojo based CDM.

components/html_viewer/html_document.cc

 // 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 "components/html_viewer/html_document.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/thread_task_runner_handle.h"
 #include "components/html_viewer/blink_input_events_type_converters.h"
 #include "components/html_viewer/blink_url_request_type_converters.h"
 #include "components/html_viewer/setup.h"
 #include "components/html_viewer/web_layer_tree_view_impl.h"
 #include "components/html_viewer/web_media_player_factory.h"
 #include "components/html_viewer/web_storage_namespace_impl.h"
 #include "components/html_viewer/web_url_loader_impl.h"
 #include "components/view_manager/public/cpp/view.h"
 #include "components/view_manager/public/interfaces/surfaces.mojom.h"
 #include "media/blink/webencryptedmediaclient_impl.h"
 #include "media/cdm/default_cdm_factory.h"
 #include "media/filters/default_media_permission.h"
+#include "media/mojo/interfaces/content_decryption_module_factory.mojom.h"
+#include "media/mojo/services/mojo_cdm_factory.h"
 #include "mojo/application/public/cpp/application_impl.h"
 #include "mojo/application/public/cpp/connect.h"
 #include "mojo/application/public/interfaces/shell.mojom.h"
 #include "skia/ext/refptr.h"
 #include "third_party/WebKit/public/platform/Platform.h"
 #include "third_party/WebKit/public/platform/WebHTTPHeaderVisitor.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
@@ skipping 348 matching lines @@
     web_view_->handleInputEvent(*web_event);
 }
 
 media::MediaPermission* HTMLDocument::GetMediaPermission() {
   if (!media_permission_)
     media_permission_.reset(new media::DefaultMediaPermission(true));
   return media_permission_.get();
 }
 
 media::CdmFactory* HTMLDocument::GetCdmFactory() {
-  if (!cdm_factory_)
-    cdm_factory_.reset(new media::DefaultCdmFactory());
+  if (!cdm_factory_) {
+    if (setup_->enable_mojo_media_renderer()) {
+      ServiceProviderPtr media_service_provider;
+      mojo::URLRequestPtr request(mojo::URLRequest::New());
+      request->url = mojo::String::From("mojo:media");
+      shell_->ConnectToApplication(request.Pass(),
+                                   GetProxy(&media_service_provider), nullptr);
+      mojo::ContentDecryptionModuleFactoryPtr cdm_factory_ptr;
+      mojo::ConnectToService(media_service_provider.get(), &cdm_factory_ptr);
+      cdm_factory_.reset(new media::MojoCdmFactory(cdm_factory_ptr.Pass()));
+    } else {
+      cdm_factory_.reset(new media::DefaultCdmFactory());
+    }
+  }
+
   return cdm_factory_.get();
 }
 
 }  // namespace html_viewer