Move opengl iterop code to cv::ogl namespace

Fixed issues: #2737 #2848

modules/ts/include/opencv2/ts/ts_perf.hpp

@@ -474,21 +474,6 @@ CV_EXPORTS void PrintTo(const Size& sz, ::std::ostream* os);
     INSTANTIATE_TEST_CASE_P(/*none*/, fixture##_##name, params);\
     void fixture##_##name::PerfTestBody()
 
-#define GPU_PERF_TEST_P(fixture, name, params)  \
-    class fixture##_##name : public fixture {\
-     public:\
-      fixture##_##name() {}\
-     protected:\
-      virtual void PerfTestBody();\
-    };\
-    TEST_P(fixture##_##name, name /*perf*/) \
-    { \
-        try { RunPerfTestBody(); } \
-        catch (...) { cv::gpu::resetDevice(); throw; } \
-    } \
-    INSTANTIATE_TEST_CASE_P(/*none*/, fixture##_##name, params);\
-    void fixture##_##name::PerfTestBody()
-
 
 #define CV_PERF_TEST_MAIN(testsuitname, ...) \
 int main(int argc, char **argv)\