Route Pepper MediaSession messages to frames

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 186d99e03efc46e2fa06a3fd570e16852f597299..39408b4d9ee8b1b51d429ec239768e7f50532a8c 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -978,13 +978,17 @@ class CONTENT_EXPORT WebContentsImpl
                    const base::ListValue& args);
   void OnUpdatePageImportanceSignals(const PageImportanceSignals& signals);
 #if BUILDFLAG(ENABLE_PLUGINS)
-  void OnPepperInstanceCreated(int32_t pp_instance);
-  void OnPepperInstanceDeleted(int32_t pp_instance);
+  void OnPepperInstanceCreated(RenderFrameHost* render_frame_host,
+                               int32_t pp_instance);
+  void OnPepperInstanceDeleted(RenderFrameHost* render_frame_host,
+                               int32_t pp_instance);
   void OnPepperPluginHung(int plugin_child_id,
                           const base::FilePath& path,
                           bool is_hung);
-  void OnPepperStartsPlayback(int32_t pp_instance);
-  void OnPepperStopsPlayback(int32_t pp_instance);
+  void OnPepperStartsPlayback(RenderFrameHost* render_frame_host,
+                              int32_t pp_instance);
+  void OnPepperStopsPlayback(RenderFrameHost* render_frame_host,
+                             int32_t pp_instance);
   void OnPluginCrashed(const base::FilePath& plugin_path,
                        base::ProcessId plugin_pid);
   void OnRequestPpapiBrokerPermission(int routing_id,