[Pepper GL] Use shared state to fix a memory leak in MapSub GL extension.

ppapi/thunk/resource_creation_api.h

Index: ppapi/thunk/resource_creation_api.h
diff --git a/ppapi/thunk/resource_creation_api.h b/ppapi/thunk/resource_creation_api.h
index 9026166732664986fc3e1c494236813c7700c6a0..99697c48976c82978c30a7fb2637a78ca77e6774 100644
--- a/ppapi/thunk/resource_creation_api.h
+++ b/ppapi/thunk/resource_creation_api.h
@@ -5,6 +5,7 @@
 #ifndef PPAPI_THUNK_RESOURCE_CREATION_API_H_
 #define PPAPI_THUNK_RESOURCE_CREATION_API_H_
 
+#include "base/memory/shared_memory.h"
 #include "ppapi/c/dev/pp_video_dev.h"
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
 #include "ppapi/c/dev/ppb_truetype_font_dev.h"
@@ -129,9 +130,11 @@ class ResourceCreationAPI {
   virtual PP_Resource CreateGraphics3D(PP_Instance instance,
                                        PP_Resource share_context,
                                        const int32_t* attrib_list) = 0;
-  virtual PP_Resource CreateGraphics3DRaw(PP_Instance instance,
-                                          PP_Resource share_context,
-                                          const int32_t* attrib_list) = 0;
+  virtual PP_Resource CreateGraphics3DRaw(
+      PP_Instance instance,
+      PP_Resource share_context,
+      const int32_t* attrib_list,
+      base::SharedMemoryHandle* shared_state) = 0;
   virtual PP_Resource CreateHostResolver(PP_Instance instance) = 0;
   virtual PP_Resource CreateHostResolverPrivate(PP_Instance instance) = 0;
   virtual PP_Resource CreateImageData(PP_Instance instance,