Clean up EGL thread state at thread exit in nanobench and DM

src/gpu/GrContextFactory.cpp

Index: src/gpu/GrContextFactory.cpp
diff --git a/src/gpu/GrContextFactory.cpp b/src/gpu/GrContextFactory.cpp
index b7e48254c881af6835b8c6e195b3a8c2ee1a69a7..236defdf043ac76e72983e7f55e17171f969a395 100755
--- a/src/gpu/GrContextFactory.cpp
+++ b/src/gpu/GrContextFactory.cpp
@@ -149,3 +149,18 @@ GrContextFactory::ContextInfo GrContextFactory::getContextInfo(GLContextType typ
     context.fOptions = options;
     return ContextInfo(context.fGrContext, context.fGLContext);
 }
+
+void GrContextFactory::ReleaseGpuAPIsInThread() {
+#if SK_ANGLE
+    SkANGLEGLContext::ReleaseGpuAPIsInThread();
+#endif
+#if SK_COMMAND_BUFFER
+    SkCommandBufferGLContext::ReleaseGpuAPIsInThread();
+#endif
+#if SK_MESA
+    SkMesaGLContext::ReleaseGpuAPIsInThread();
+#endif
+    // Call platform release the last, since the emulated APIs like command buffer might use the
+    // real APIs in this thread, too.
+    SkReleasePlatformGLAPIsInThread();
+}