Make NVPR a GL context option instead of a GL context

tests/GrContextFactoryTest.cpp

Index: tests/GrContextFactoryTest.cpp
diff --git a/tests/GrContextFactoryTest.cpp b/tests/GrContextFactoryTest.cpp
index 79209c719fc2704466eeb1a2b5989971498145da..ad83a344d8ad2fddabb16da0b8cf78de7ffe4d43 100644
--- a/tests/GrContextFactoryTest.cpp
+++ b/tests/GrContextFactoryTest.cpp
@@ -10,8 +10,24 @@
 #if SK_SUPPORT_GPU
 
 #include "GrContextFactory.h"
+#include "GrCaps.h"
 #include "Test.h"
 
-// TODO: test GrContextFactory.
+DEF_GPUTEST(GrContextFactoryNVPRContextOptions, reporter, /*factory*/) {
+    GrContextFactory testFactory;
+    // Test that if NVPR is possible, caps are in sync.
+    for (int i = 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
+        GrContextFactory::GLContextType glCtxType = static_cast<GrContextFactory::GLContextType>(i);
+        GrContext* context = testFactory.get(glCtxType,
+                                             kNone_GrGLStandard,
+                                             GrContextFactory::kEnableNVPR_GLContextOptions);
+        if (!context) {
+            continue;
+        }
+        REPORTER_ASSERT(
+                    reporter,
+                    context->caps()->shaderCaps()->pathRenderingSupport());
+    }
+}
 
 #endif