Move MediaDrmBridge provision communication to native side.

media/base/browser_cdm_factory.cc

Index: media/base/browser_cdm_factory.cc
diff --git a/media/base/browser_cdm_factory.cc b/media/base/browser_cdm_factory.cc
index 73fd4c72e22589c66746de90f7b34665019b163d..348f7d5a256e2a78cdc59e263f30f8d75f778405 100644
--- a/media/base/browser_cdm_factory.cc
+++ b/media/base/browser_cdm_factory.cc
@@ -31,7 +31,7 @@ ScopedBrowserCdmPtr CreateBrowserCdm(
     const SessionExpirationUpdateCB& session_expiration_update_cb) {
   if (!g_cdm_factory) {
 #if defined(OS_ANDROID)
-    SetBrowserCdmFactory(new BrowserCdmFactoryAndroid);
+    SetBrowserCdmFactory(new BrowserCdmFactoryAndroid());
 #else
     LOG(ERROR) << "Cannot create BrowserCdm: no BrowserCdmFactory available!";
     return ScopedBrowserCdmPtr();