Move MediaDrmBridge provision communication to native side.

media/mojo/services/android_mojo_media_client.cc

Index: media/mojo/services/android_mojo_media_client.cc
diff --git a/media/mojo/services/android_mojo_media_client.cc b/media/mojo/services/android_mojo_media_client.cc
index a5ee93af306779348bbc880e81c734ba3cfec27a..8bc09e108bd4f10f1044a88376324fcb01eeb846 100644
--- a/media/mojo/services/android_mojo_media_client.cc
+++ b/media/mojo/services/android_mojo_media_client.cc
@@ -6,17 +6,40 @@
 
 #include "base/memory/scoped_ptr.h"
 #include "media/base/android/android_cdm_factory.h"
+#include "media/base/bind_to_current_loop.h"
 #include "media/base/media.h"
 
 namespace media {
 namespace internal {
+namespace {
+
+// A temporary solution until we pass the proper CDM provision fetcher.
+class DummyProvisionFetcher : public ProvisionFetcher {
+ public:
+  DummyProvisionFetcher() {}
+  ~DummyProvisionFetcher() final {}
+
+  // Retrieve() always fails for this fetcher.
+  void Retrieve(const std::string& default_url,
+                const std::string& request_data,
+                const ResponseCB& response_cb) final {
+    BindToCurrentLoop(response_cb).Run(false, "");
+  };
+};
+
+scoped_ptr<ProvisionFetcher> CreateDummyProvisionFetcher() {
+  return make_scoped_ptr(new DummyProvisionFetcher());
+}
+
+}  // namespace (anonymous)
 
 class AndroidMojoMediaClient : public PlatformMojoMediaClient {
  public:
   AndroidMojoMediaClient() {}
 
   scoped_ptr<CdmFactory> CreateCdmFactory() override {
-    return make_scoped_ptr(new AndroidCdmFactory());
+    return make_scoped_ptr(
+        new AndroidCdmFactory(base::Bind(&CreateDummyProvisionFetcher)));
   }
 
  private: