skia: Add ANGLE with GL backend to nanobench/DM

dm/DM.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
@@ skipping 380 matching lines @@
         SINK("gpunull",       GPUSink, Gr::kNull_GLContextType,          api,  0, false, FLAGS_gpu_threading);
         SINK("gpudebug",      GPUSink, Gr::kDebug_GLContextType,         api,  0, false, FLAGS_gpu_threading);
         SINK("gpu",           GPUSink, Gr::kNative_GLContextType,        api,  0, false, FLAGS_gpu_threading);
         SINK("gpudft",        GPUSink, Gr::kNative_GLContextType,        api,  0,  true, FLAGS_gpu_threading);
         SINK("msaa4",         GPUSink, Gr::kNative_GLContextType,        api,  4, false, FLAGS_gpu_threading);
         SINK("msaa16",        GPUSink, Gr::kNative_GLContextType,        api, 16, false, FLAGS_gpu_threading);
         SINK("nvprmsaa4",     GPUSink, Gr::kNVPR_GLContextType,          api,  4, false, FLAGS_gpu_threading);
         SINK("nvprmsaa16",    GPUSink, Gr::kNVPR_GLContextType,          api, 16, false, FLAGS_gpu_threading);
     #if SK_ANGLE
         SINK("angle",         GPUSink, Gr::kANGLE_GLContextType,         api,  0, false, FLAGS_gpu_threading);
+        SINK("angle-gl",      GPUSink, Gr::kANGLE_GL_GLContextType,      api,  0, false, FLAGS_gpu_threading);
     #endif
     #if SK_COMMAND_BUFFER
         SINK("commandbuffer", GPUSink, Gr::kCommandBuffer_GLContextType, api,  0, false, FLAGS_gpu_threading);
     #endif
     #if SK_MESA
         SINK("mesa",          GPUSink, Gr::kMESA_GLContextType,          api,  0, false, FLAGS_gpu_threading);
     #endif
     }
 
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
@@ skipping 502 matching lines @@
     }
     return 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif