media: Add BrowserCdmManagerProcessWatcher.

content/browser/renderer_host/render_process_host_impl.h

Index: content/browser/renderer_host/render_process_host_impl.h
diff --git a/content/browser/renderer_host/render_process_host_impl.h b/content/browser/renderer_host/render_process_host_impl.h
index 8937fd1e561d188c12005ef4fa3f2161b7cfcb6d..e6c2f8252948449b90a0b1f7d43e5a91eae238f9 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -248,12 +248,6 @@ class CONTENT_EXPORT RenderProcessHostImpl
   }
 #endif
 
-#if defined(ENABLE_BROWSER_CDMS)
-  const scoped_refptr<BrowserCdmManager>& browser_cdm_manager() {
-    return browser_cdm_manager_;
-  }
-#endif
-
   MessagePortMessageFilter* message_port_message_filter() const {
     return message_port_message_filter_.get();
   }
@@ -460,10 +454,6 @@ class CONTENT_EXPORT RenderProcessHostImpl
   scoped_refptr<BrowserDemuxerAndroid> browser_demuxer_android_;
 #endif
 
-#if defined(ENABLE_BROWSER_CDMS)
-  scoped_refptr<BrowserCdmManager> browser_cdm_manager_;
-#endif
-
 #if defined(ENABLE_WEBRTC)
   base::Callback<void(const std::string&)> webrtc_log_message_callback_;