Move MediaDrmBridge provision communication to native side.

media/base/android/media_drm_bridge.h

Index: media/base/android/media_drm_bridge.h
diff --git a/media/base/android/media_drm_bridge.h b/media/base/android/media_drm_bridge.h
index a525f83404325c9663b31d3af149d3bb1e8b8625..720ad04b0ac3845577acd7162d123256f1ea3a4f 100644
--- a/media/base/android/media_drm_bridge.h
+++ b/media/base/android/media_drm_bridge.h
@@ -24,6 +24,7 @@ class GURL;
 namespace media {
 
 class MediaDrmBridge;
+class ProvisionFetcher;
 
 using ScopedMediaDrmBridgePtr = scoped_ptr<MediaDrmBridge, BrowserCdmDeleter>;
 
@@ -77,6 +78,7 @@ class MEDIA_EXPORT MediaDrmBridge : public BrowserCdm {
   // TODO(xhwang): Is it okay not to update session expiration info?
   static ScopedMediaDrmBridgePtr Create(
       const std::string& key_system,
+      scoped_ptr<ProvisionFetcher> provision_fetcher,
       const SessionMessageCB& session_message_cb,
       const SessionClosedCB& session_closed_cb,
       const LegacySessionErrorCB& legacy_session_error_cb,
@@ -154,6 +156,12 @@ class MEDIA_EXPORT MediaDrmBridge : public BrowserCdm {
   // Called by Java after a MediaCrypto object is created.
   void OnMediaCryptoReady(JNIEnv* env, jobject j_media_drm);
 
+  // Called by Java when we need to send a provisioning request,
+  void OnStartProvisioning(JNIEnv* env,
+                           jobject j_media_drm,
+                           jstring j_default_url,
+                           jbyteArray j_request_data);
+
   // Callbacks to resolve the promise for |promise_id|.
   void OnPromiseResolved(JNIEnv* env, jobject j_media_drm, jint j_promise_id);
   void OnPromiseResolvedWithSession(JNIEnv* env,
@@ -213,6 +221,7 @@ class MEDIA_EXPORT MediaDrmBridge : public BrowserCdm {
 
  private:
   MediaDrmBridge(const std::vector<uint8>& scheme_uuid,
+                 scoped_ptr<ProvisionFetcher> provision_fetcher,
                  const SessionMessageCB& session_message_cb,
                  const SessionClosedCB& session_closed_cb,
                  const LegacySessionErrorCB& legacy_session_error_cb,
@@ -231,12 +240,22 @@ class MEDIA_EXPORT MediaDrmBridge : public BrowserCdm {
   // run this callback.
   void NotifyMediaCryptoReady(const MediaCryptoReadyCB& cb);
 
+  // Sends HTTP provisioning request to a provisioning server.
+  void SendProvisioningRequest(const std::string& default_url,
+                               const std::string& request_data);
+
+  // Process the data received by provisioning server.
+  void ProcessProvisionResponse(bool success, const std::string& response);
+
   // UUID of the key system.
   std::vector<uint8> scheme_uuid_;
 
   // Java MediaDrm instance.
   base::android::ScopedJavaGlobalRef<jobject> j_media_drm_;
 
+  // The object that requests and receives provisioning data.
+  scoped_ptr<ProvisionFetcher> provision_fetcher_;
+
   // Callbacks for firing session events.
   SessionMessageCB session_message_cb_;
   SessionClosedCB session_closed_cb_;