On Linux rework driver_version/vendor extraction from gl version

gpu/config/gpu_info_collector_unittest.cc

Index: gpu/config/gpu_info_collector_unittest.cc
diff --git a/gpu/config/gpu_info_collector_unittest.cc b/gpu/config/gpu_info_collector_unittest.cc
index c0847196508684874cf9aa790986c280e6a8645c..af441cf124c2449dd00d7419cad6fb76d379aceb 100644
--- a/gpu/config/gpu_info_collector_unittest.cc
+++ b/gpu/config/gpu_info_collector_unittest.cc
@@ -293,6 +293,14 @@ TEST_F(CollectDriverInfoGLTest, CollectDriverInfoGL) {
      "NVIDIA Corporation",
      "4.4.0 NVIDIA 331.79",
      "331.79"},
+    {"Gallium 0.4 on NVE7",
+     "nouveau",
+     "3.3 (Core Profile) Mesa 10.5.9",
+     "10.5.9"},
+    {"Mesa DRI Intel(R) Haswell Mobile",
+     "Intel Open Source Technology Center",
+     "OpenGL ES 3.0 Mesa 12.1.0-devel (git-ed9dd3b)",
+     "12.1.0"},
 #endif
     {NULL, NULL, NULL, NULL}
   };