Adds MediaClientAndroid to support embedder/MediaDrmBridge interaction.

chrome/browser/chrome_browser_main_android.cc

 // Copyright (c) 2012 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 "chrome/browser/chrome_browser_main_android.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/trace_event/trace_event.h"
 #include "chrome/browser/android/seccomp_support_detector.h"
 #include "chrome/browser/google/google_search_counter_android.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
+#include "components/cdm/browser/widevine_drm_delegate_android.h"
 #include "components/crash/app/breakpad_linux.h"
 #include "components/crash/browser/crash_dump_manager_android.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/main_function_params.h"
 #include "net/android/network_change_notifier_factory_android.h"
 #include "net/base/network_change_notifier.h"
 #include "ui/base/ui_base_paths.h"
 
@@ skipping 43 matching lines @@
 }
 
 void ChromeBrowserMainPartsAndroid::PreEarlyInitialization() {
   TRACE_EVENT0("startup",
     "ChromeBrowserMainPartsAndroid::PreEarlyInitialization")
   net::NetworkChangeNotifier::SetFactory(
       new net::NetworkChangeNotifierFactoryAndroid());
 
   content::Compositor::Initialize();
 
+  cdm::WidevineDrmDelegateAndroid::Install();
+
   // Chrome on Android does not use default MessageLoop. It has its own
   // Android specific MessageLoop.
   DCHECK(!main_message_loop_.get());
 
   // Create and start the MessageLoop.
   // This is a critical point in the startup process.
   {
     TRACE_EVENT0("startup",
       "ChromeBrowserMainPartsAndroid::PreEarlyInitialization:CreateUiMsgLoop");
     main_message_loop_.reset(new base::MessageLoopForUI);
@@ skipping 12 matching lines @@
   ChromeBrowserMainParts::PostBrowserStart();
 
   content::BrowserThread::GetBlockingPool()->PostDelayedTask(FROM_HERE,
       base::Bind(&SeccompSupportDetector::StartDetection),
       base::TimeDelta::FromMinutes(1));
 }
 
 void ChromeBrowserMainPartsAndroid::ShowMissingLocaleMessageBox() {
   NOTREACHED();
 }