Revert 222074 "Refactor KeySystems code to call a function to po..."

trunk/src/content/public/renderer/content_renderer_client.h

Index: trunk/src/content/public/renderer/content_renderer_client.h
===================================================================
--- trunk/src/content/public/renderer/content_renderer_client.h	(revision 222090)
+++ trunk/src/content/public/renderer/content_renderer_client.h	(working copy)
@@ -6,7 +6,6 @@
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
 #include <string>
-#include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
@@ -52,7 +51,6 @@
 
 class RenderView;
 class SynchronousCompositor;
-struct KeySystemInfo;
 struct WebPluginInfo;
 
 // Embedder API for participating in renderer logic.
@@ -246,10 +244,6 @@
   // Returns true if the page at |url| can use Pepper MediaStream APIs.
   virtual bool AllowPepperMediaStreamAPI(const GURL& url);
 
-  // Gives the embedder a chance to register the key system(s) it supports by
-  // populating |key_systems|.
-  virtual void AddKeySystems(std::vector<KeySystemInfo>* key_systems);
-
   // Returns true if we should report a detailed message (including a stack
   // trace) for console [logs|errors|exceptions]. |source| is the WebKit-
   // reported source for the error; this can point to a page or a script,