Add support for glDrawRangeElements

src/gpu/gl/GrGLCaps.h

Index: src/gpu/gl/GrGLCaps.h
diff --git a/src/gpu/gl/GrGLCaps.h b/src/gpu/gl/GrGLCaps.h
index 3408ae0e8fddef5589034283d543bf07f82d7a3b..f0b09407aaf63d0134c3f3fa5a37c1b1ed268fca 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -307,6 +307,9 @@ public:
     /// draw commands cannot be used unless we have base instance support.
     bool multiDrawIndirectSupport() const { return fMultiDrawIndirectSupport; }
 
+    /// Is there support for glDrawRangeElements?
+    bool drawRangeElementsSupport() const { return fDrawRangeElementsSupport; }
+
     /// Are the baseInstance fields supported in indirect draw commands?
     bool baseInstanceSupport() const { return fBaseInstanceSupport; }
 
@@ -400,6 +403,7 @@ private:
     bool fES2CompatibilitySupport : 1;
     bool fDrawInstancedSupport : 1;
     bool fDrawIndirectSupport : 1;
+    bool fDrawRangeElementsSupport : 1;
     bool fMultiDrawIndirectSupport : 1;
     bool fBaseInstanceSupport : 1;
     bool fUseNonVBOVertexAndIndexDynamicData : 1;