Add glGetSynciv to GPU command buffer.

gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
index 273b1e05288ecfee8902d8b00504d92a31370ebd..899a2f4a01153e73069872b8b2aebab3fb95f946 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
@@ -5109,6 +5109,17 @@ std::string GLES2Util::GetStringSyncCondition(uint32_t value) {
                                            arraysize(string_table), value);
 }
 
+std::string GLES2Util::GetStringSyncParameter(uint32_t value) {
+  static const EnumToString string_table[] = {
+      {GL_SYNC_STATUS, "GL_SYNC_STATUS"},
+      {GL_OBJECT_TYPE, "GL_OBJECT_TYPE"},
+      {GL_SYNC_CONDITION, "GL_SYNC_CONDITION"},
+      {GL_SYNC_FLAGS, "GL_SYNC_FLAGS"},
+  };
+  return GLES2Util::GetQualifiedEnumString(string_table,
+                                           arraysize(string_table), value);
+}
+
 std::string GLES2Util::GetStringTexture3DTarget(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_TEXTURE_3D, "GL_TEXTURE_3D"},