Move MediaDrmBridge provision communication to native side.

media/base/browser_cdm_factory.h

Index: media/base/browser_cdm_factory.h
diff --git a/media/base/browser_cdm_factory.h b/media/base/browser_cdm_factory.h
index 99525a79b2a5fdda6bc07e96708a3b92bca19e9c..64b43a9b41f19fe444dcf1dfef35d4d23eb9e32e 100644
--- a/media/base/browser_cdm_factory.h
+++ b/media/base/browser_cdm_factory.h
@@ -11,9 +11,12 @@
 #include "base/memory/scoped_ptr.h"
 #include "media/base/browser_cdm.h"
 #include "media/base/media_export.h"
+#include "media/base/provision_fetcher.h"
 
 namespace media {
 
+class ProvisionFetcher;
+
 class MEDIA_EXPORT BrowserCdmFactory {
  public:
   BrowserCdmFactory() {}
@@ -22,6 +25,7 @@ class MEDIA_EXPORT BrowserCdmFactory {
   virtual ScopedBrowserCdmPtr CreateBrowserCdm(
       const std::string& key_system,
       bool use_hw_secure_codecs,
+      scoped_ptr<ProvisionFetcher> provision_fetcher,
       const SessionMessageCB& session_message_cb,
       const SessionClosedCB& session_closed_cb,
       const LegacySessionErrorCB& legacy_session_error_cb,
@@ -34,16 +38,19 @@ class MEDIA_EXPORT BrowserCdmFactory {
 
 // Provides a factory for creating BrowserCdm instances. There is only one
 // BrowserCdmFactory per process.
-void SetBrowserCdmFactory(BrowserCdmFactory* factory);
+void MEDIA_EXPORT SetBrowserCdmFactory(BrowserCdmFactory* factory);
 
 // Creates a BrowserCdm for |key_system|. Returns NULL if the CDM cannot be
 // created.
 // |use_hw_secure_codecs| indicates that the CDM should be configured to use
 // hardware-secure codecs (for platforms that support it).
+// |render_process_id| is used to get the URL context if the platform requires
+// HTTP communication for provisioning.
 // TODO(xhwang): Add ifdef for IPC based CDM.
 ScopedBrowserCdmPtr MEDIA_EXPORT
 CreateBrowserCdm(const std::string& key_system,
                  bool use_hw_secure_codecs,
+                 scoped_ptr<ProvisionFetcher> provision_fetcher,
                  const SessionMessageCB& session_message_cb,
                  const SessionClosedCB& session_closed_cb,
                  const LegacySessionErrorCB& legacy_session_error_cb,