Move MediaDrmBridge provision communication to native side.

media/base/android/android_cdm_factory.h

Index: media/base/android/android_cdm_factory.h
diff --git a/media/base/android/android_cdm_factory.h b/media/base/android/android_cdm_factory.h
index c469af8c2022c78b8d54221f18610a969dc05c61..8a00796276169d100f223faf4b2b1a967eeb3c5d 100644
--- a/media/base/android/android_cdm_factory.h
+++ b/media/base/android/android_cdm_factory.h
@@ -6,6 +6,7 @@
 #define MEDIA_BASE_ANDROID_ANDROID_CDM_FACTORY_H_
 
 #include "base/macros.h"
+#include "media/base/android/provision_fetcher.h"
 #include "media/base/cdm_factory.h"
 #include "media/base/media_export.h"
 
@@ -29,7 +30,12 @@ class MEDIA_EXPORT AndroidCdmFactory : public CdmFactory {
               const SessionExpirationUpdateCB& session_expiration_update_cb,
               const CdmCreatedCB& cdm_created_cb) final;
 
+  // Set ProvisionFetcher object. Create() passes is later to MediaDrmBridge.
+  void SetProvisionFetcher(scoped_ptr<ProvisionFetcher> provision_fetcher);
+
  private:
+  scoped_ptr<ProvisionFetcher> provision_fetcher_;
+
   DISALLOW_COPY_AND_ASSIGN(AndroidCdmFactory);
 };