Add Pepper support for several GL extensions

ppapi/proxy/interface_list.cc

Index: ppapi/proxy/interface_list.cc
diff --git a/ppapi/proxy/interface_list.cc b/ppapi/proxy/interface_list.cc
index c37da441ecfa01e269c3a2d1e09007d514833717..4accf34e5a5c847000223c7bcca7c3c3d6cdb6c8 100644
--- a/ppapi/proxy/interface_list.cc
+++ b/ppapi/proxy/interface_list.cc
@@ -178,6 +178,16 @@ InterfaceList::InterfaceList() {
          PPB_MessageLoop_Proxy::GetInterface());
   AddPPB(PPB_OPENGLES2_INTERFACE_1_0, API_ID_NONE,
          PPB_OpenGLES2_Shared::GetInterface());
+  AddPPB(PPB_OPENGLES2_INSTANCEDARRAYS_INTERFACE_1_0, API_ID_NONE,
+         PPB_OpenGLES2_Shared::GetInstancedArraysInterface());
+  AddPPB(PPB_OPENGLES2_FRAMEBUFFERBLIT_INTERFACE_1_0, API_ID_NONE,
+         PPB_OpenGLES2_Shared::GetFramebufferBlitInterface());
+  AddPPB(PPB_OPENGLES2_FRAMEBUFFERMULTISAMPLE_INTERFACE_1_0, API_ID_NONE,
+         PPB_OpenGLES2_Shared::GetFramebufferMultisampleInterface());
+  AddPPB(PPB_OPENGLES2_CHROMIUMENABLEFEATURE_INTERFACE_1_0, API_ID_NONE,
+         PPB_OpenGLES2_Shared::GetChromiumEnableFeatureInterface());
+  AddPPB(PPB_OPENGLES2_CHROMIUMMAPSUB_INTERFACE_1_0, API_ID_NONE,
+         PPB_OpenGLES2_Shared::GetChromiumMapSubInterface());
   AddPPB(PPB_VAR_INTERFACE_1_1, API_ID_NONE,
          PPB_Var_Shared::GetVarInterface1_1());
   AddPPB(PPB_VAR_INTERFACE_1_0, API_ID_NONE,