Move MediaDrmBridge provision communication to native side.

media/base/android/android_cdm_factory.cc

Index: media/base/android/android_cdm_factory.cc
diff --git a/media/base/android/android_cdm_factory.cc b/media/base/android/android_cdm_factory.cc
index 45bfad543c7675480e3655a351c739178ea2a4c3..9939763db2716f5291a61621b70fcfe6b57b3090 100644
--- a/media/base/android/android_cdm_factory.cc
+++ b/media/base/android/android_cdm_factory.cc
@@ -6,6 +6,7 @@
 
 #include "base/strings/string_number_conversions.h"
 #include "media/base/android/media_drm_bridge.h"
+#include "media/base/android/provision_fetcher.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/cdm_config.h"
 #include "media/base/key_systems.h"
@@ -14,7 +15,8 @@
 
 namespace media {
 
-AndroidCdmFactory::AndroidCdmFactory() {}
+AndroidCdmFactory::AndroidCdmFactory(const CreateFetcherCB& create_fetcher_cb)
+    : create_fetcher_cb_(create_fetcher_cb) {}
 
 AndroidCdmFactory::~AndroidCdmFactory() {}
 
@@ -46,7 +48,8 @@ void AndroidCdmFactory::Create(
   }
 
   scoped_refptr<MediaDrmBridge> cdm(
-      MediaDrmBridge::Create(key_system, session_message_cb, session_closed_cb,
+      MediaDrmBridge::Create(key_system, create_fetcher_cb_.Run().Pass(),

[xhwang, 2015/11/13 05:15:42]

no need to Pass() here 

[Tima Vaisburd, 2015/11/13 21:04:43]

Done.

+                             session_message_cb, session_closed_cb,
                              legacy_session_error_cb, session_keys_change_cb,
                              session_expiration_update_cb));
   if (!cdm) {