Revert of Make GL bindings conditional

gpu/command_buffer/service/gpu_tracer_unittest.cc

Index: gpu/command_buffer/service/gpu_tracer_unittest.cc
diff --git a/gpu/command_buffer/service/gpu_tracer_unittest.cc b/gpu/command_buffer/service/gpu_tracer_unittest.cc
index 1b10fc67c32dcba47f681511e2ae35ca38443169..37370187c0333e2bae426cf43824a09f777e040b 100644
--- a/gpu/command_buffer/service/gpu_tracer_unittest.cc
+++ b/gpu/command_buffer/service/gpu_tracer_unittest.cc
@@ -225,17 +225,7 @@
 
  protected:
   void SetUp() override {
-    const char* gl_version = "3.2";
-    const char* extensions = nullptr;
-    if (GetTracerType() == kTracerTypeDisjointTimer) {
-      gl_version = "opengl es 3.0";
-      extensions = "GL_EXT_disjoint_timer_query";
-    } else if (GetTracerType() == kTracerTypeARBTimer) {
-      // TODO(sievers): The tracer should not depend on ARB_occlusion_query.
-      // Try merge Query APIs (core, ARB, EXT) into a single binding each.
-      extensions = "GL_ARB_timer_query GL_ARB_occlusion_query";
-    }
-    GpuServiceTest::SetUpWithGLVersion(gl_version, extensions);
+    GpuServiceTest::SetUp();
     gl_fake_queries_.Reset();
     gl_surface_ = new gfx::GLSurfaceStub();
     gl_context_ = new gfx::GLContextStub();