Move InsertSyncPoint to GLES2Interface

ppapi/proxy/ppapi_command_buffer_proxy.cc

Index: ppapi/proxy/ppapi_command_buffer_proxy.cc
diff --git a/ppapi/proxy/ppapi_command_buffer_proxy.cc b/ppapi/proxy/ppapi_command_buffer_proxy.cc
index dff891e4c4ddf221a4fee169a3a5f4f26dc354bb..98c235357e472b526e08cd416a3e424ec81bec5d 100644
--- a/ppapi/proxy/ppapi_command_buffer_proxy.cc
+++ b/ppapi/proxy/ppapi_command_buffer_proxy.cc
@@ -226,6 +226,15 @@ void PpapiCommandBufferProxy::SetContextLostReason(
   NOTREACHED();
 }
 
+uint32 PpapiCommandBufferProxy::InsertSyncPoint() {
+  uint32 sync_point = 0;
+  if (last_state_.error == gpu::error::kNoError) {
+    Send(new PpapiHostMsg_PPBGraphics3D_InsertSyncPoint(
+         ppapi::API_ID_PPB_GRAPHICS_3D, resource_, &sync_point));
+  }
+  return sync_point;
+}
+
 bool PpapiCommandBufferProxy::Send(IPC::Message* msg) {
   DCHECK(last_state_.error == gpu::error::kNoError);