rename sk_gpu_test::GLContext to sk_gpu_test::GLTestContext

rename subclasses

Fix up the EGL native GLTestContext
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1849463002

TBR=jvanverth@google.com

Committed: https://skia.googlesource.com/skia/+/4c7f0a16312c374eba4e8d5d46435ce9eb0b9971

Review URL: https://codereview.chromium.org/1849463002
diff --git a/dm/DM.cpp b/dm/DM.cpp
index 79b9e8d..07e594b 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -71,7 +71,7 @@
 
 using namespace DM;
 using sk_gpu_test::GrContextFactory;
-using sk_gpu_test::GLContext;
+using sk_gpu_test::GLTestContext;
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
@@ -1418,7 +1418,7 @@
 namespace skiatest {
 namespace {
 typedef void(*TestWithGrContext)(skiatest::Reporter*, GrContext*);
-typedef void(*TestWithGrContextAndGLContext)(skiatest::Reporter*, GrContext*, GLContext*);
+typedef void(*TestWithGrContextAndGLContext)(skiatest::Reporter*, GrContext*, GLTestContext*);
 #if SK_SUPPORT_GPU
 template<typename T>
 void call_test(T test, skiatest::Reporter* reporter, const GrContextFactory::ContextInfo& context);