Add support for glMemoryGlyphIndexArrayNV

src/gpu/gl/GrGLPathRendering.cpp

Index: src/gpu/gl/GrGLPathRendering.cpp
diff --git a/src/gpu/gl/GrGLPathRendering.cpp b/src/gpu/gl/GrGLPathRendering.cpp
index f524ff2aca5fdbde49d1acd784c66004cffa5da4..81d47c4722591e96a5e9253785639c63a66761c5 100644
--- a/src/gpu/gl/GrGLPathRendering.cpp
+++ b/src/gpu/gl/GrGLPathRendering.cpp
@@ -49,13 +49,15 @@ GrGLPathRendering::GrGLPathRendering(GrGpuGL* gpu)
     : fGpu(gpu) {
     const GrGLInterface* glInterface = gpu->glInterface();
     fCaps.stencilThenCoverSupport =
-        glInterface->fFunctions.fStencilThenCoverFillPath &&
-        glInterface->fFunctions.fStencilThenCoverStrokePath &&
-        glInterface->fFunctions.fStencilThenCoverFillPathInstanced &&
-        glInterface->fFunctions.fStencilThenCoverStrokePathInstanced;
+        NULL != glInterface->fFunctions.fStencilThenCoverFillPath &&
+        NULL != glInterface->fFunctions.fStencilThenCoverStrokePath &&
+        NULL != glInterface->fFunctions.fStencilThenCoverFillPathInstanced &&
+        NULL != glInterface->fFunctions.fStencilThenCoverStrokePathInstanced;
     fCaps.fragmentInputGenSupport =
         kGLES_GrGLStandard == glInterface->fStandard &&
-        glInterface->fFunctions.fProgramPathFragmentInputGen;
+        NULL != glInterface->fFunctions.fProgramPathFragmentInputGen;
+    fCaps.glyphLoadingSupport =
+        NULL != glInterface->fFunctions.fPathMemoryGlyphIndexArray;
 
     if (!fCaps.fragmentInputGenSupport) {
         fHWPathTexGenSettings.reset(fGpu->glCaps().maxFixedFunctionTextureCoords());