media: Remove Browser CDM implementation

content/renderer/media/cdm/render_cdm_factory.cc

Index: content/renderer/media/cdm/render_cdm_factory.cc
diff --git a/content/renderer/media/cdm/render_cdm_factory.cc b/content/renderer/media/cdm/render_cdm_factory.cc
index e461d0a4ee941b3726d24e84dd971d75ac6a84d6..fb2335ede14249d05b7d8b510d1f0cb107e6cef4 100644
--- a/content/renderer/media/cdm/render_cdm_factory.cc
+++ b/content/renderer/media/cdm/render_cdm_factory.cc
@@ -19,8 +19,6 @@
 #include "url/gurl.h"
 #if defined(ENABLE_PEPPER_CDMS)
 #include "content/renderer/media/cdm/ppapi_decryptor.h"
-#elif defined(ENABLE_BROWSER_CDMS)
-#include "content/renderer/media/cdm/proxy_media_keys.h"
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 namespace content {
@@ -29,9 +27,6 @@ namespace content {
 RenderCdmFactory::RenderCdmFactory(
     const CreatePepperCdmCB& create_pepper_cdm_cb)
     : create_pepper_cdm_cb_(create_pepper_cdm_cb) {}
-#elif defined(ENABLE_BROWSER_CDMS)
-RenderCdmFactory::RenderCdmFactory(RendererCdmManager* manager)
-    : manager_(manager) {}
 #else
 RenderCdmFactory::RenderCdmFactory() {}
 #endif  // defined(ENABLE_PEPPER_CDMS)
@@ -75,13 +70,6 @@ void RenderCdmFactory::Create(
       cdm_config.allow_persistent_state, create_pepper_cdm_cb_,
       session_message_cb, session_closed_cb, session_keys_change_cb,
       session_expiration_update_cb, cdm_created_cb);
-#elif defined(ENABLE_BROWSER_CDMS)
-  DCHECK(cdm_config.allow_distinctive_identifier);
-  DCHECK(cdm_config.allow_persistent_state);
-  ProxyMediaKeys::Create(
-      key_system, security_origin, cdm_config.use_hw_secure_codecs, manager_,
-      session_message_cb, session_closed_cb, session_keys_change_cb,
-      session_expiration_update_cb, cdm_created_cb);
 #else
   // No possible CDM to create, so fail the request.
   base::ThreadTaskRunnerHandle::Get()->PostTask(