Simplify/Cleanup MediaClient

content/shell/renderer/shell_content_renderer_client.cc

Index: content/shell/renderer/shell_content_renderer_client.cc
diff --git a/content/shell/renderer/shell_content_renderer_client.cc b/content/shell/renderer/shell_content_renderer_client.cc
index 4545d6eb3f9804888fc08fc6c55392a8777f504f..7379c9663d50c9d06aa135d99db9b11016a041d8 100644
--- a/content/shell/renderer/shell_content_renderer_client.cc
+++ b/content/shell/renderer/shell_content_renderer_client.cc
@@ -12,6 +12,7 @@
 #include "base/macros.h"
 #include "components/cdm/renderer/external_clear_key_key_system_properties.h"
 #include "components/web_cache/renderer/web_cache_impl.h"
+#include "content/public/renderer/content_media_client.h"
 #include "content/public/test/test_service.mojom.h"
 #include "content/shell/common/shell_switches.h"
 #include "content/shell/renderer/shell_render_view_observer.h"
@@ -102,6 +103,7 @@ ShellContentRendererClient::~ShellContentRendererClient() {
 
 void ShellContentRendererClient::RenderThreadStarted() {
   web_cache_impl_.reset(new web_cache::WebCacheImpl());
+  ::media::SetMediaClient(new ::content::ContentMediaClient(this));
 }
 
 void ShellContentRendererClient::RenderViewCreated(RenderView* render_view) {