Fix up instance registration with the browser.

content/renderer/pepper/renderer_ppapi_host_impl.h

Index: content/renderer/pepper/renderer_ppapi_host_impl.h
diff --git a/content/renderer/pepper/renderer_ppapi_host_impl.h b/content/renderer/pepper/renderer_ppapi_host_impl.h
index 24927b181355a2775667c3f9e4af30b01916caa3..ff0341dd6b8496e0520f6698730b5767c7eb9200 100644
--- a/content/renderer/pepper/renderer_ppapi_host_impl.h
+++ b/content/renderer/pepper/renderer_ppapi_host_impl.h
@@ -61,6 +61,10 @@ class RendererPpapiHostImpl
       webkit::ppapi::PluginModule* module,
       const ppapi::PpapiPermissions& permissions);
 
+  // Returns the RendererPpapiHostImpl associated with the given PP_Instance,
+  // or NULL if the instance is invalid.
+  static RendererPpapiHostImpl* GetForPPInstance(PP_Instance pp_instance);
+
   // Returns the router that we use for in-process IPC emulation (see the
   // pepper_in_process_router.h for more). This will be NULL when the plugin
   // is running out-of-process.