rename sk_gpu_test::GLContext to sk_gpu_test::GLTestContext

tools/VisualBench/VisualStreamTimingModule.cpp

Index: tools/VisualBench/VisualStreamTimingModule.cpp
diff --git a/tools/VisualBench/VisualStreamTimingModule.cpp b/tools/VisualBench/VisualStreamTimingModule.cpp
index 0ac698eff203de5a416edbdb16a123f6288ea1b0..b5726219dd13a430e5e82f560de387f738bd71f3 100644
--- a/tools/VisualBench/VisualStreamTimingModule.cpp
+++ b/tools/VisualBench/VisualStreamTimingModule.cpp
@@ -23,7 +23,7 @@ inline void VisualStreamTimingModule::handleInitState(SkCanvas* canvas) {
             fBenchmarkStream->current()->delayedSetup();
             // fallthrough
         case kReset_InitState:
-            // This will flicker unfortunately, but as we are reseting the GLContext each bench,
+            // This will flicker unfortunately, but as we are reseting the GLTestContext each bench,
             // we unfortunately don't have a choice
             fOwner->clear(canvas, SK_ColorWHITE, 3);
             fBenchmarkStream->current()->preTimingHooks(canvas);