Differentiate maxColorSamples and maxStencilSamples in GrCaps

include/gpu/GrCaps.h

Index: include/gpu/GrCaps.h
diff --git a/include/gpu/GrCaps.h b/include/gpu/GrCaps.h
index 679777f9ddc74caab3c3820d4258e371a0eeb003..5cd9878f4b05d3ef08bf0390de7221dfab355058 100644
--- a/include/gpu/GrCaps.h
+++ b/include/gpu/GrCaps.h
@@ -188,7 +188,9 @@ public:
     int maxTileSize() const { SkASSERT(fMaxTileSize <= fMaxTextureSize); return fMaxTileSize; }
 
     // Will be 0 if MSAA is not supported
-    int maxSampleCount() const { return fMaxSampleCount; }
+    int maxColorSampleCount() const { return fMaxColorSampleCount; }
+    // Will be 0 if MSAA is not supported
+    int maxStencilSampleCount() const { return fMaxStencilSampleCount; }
 
     virtual bool isConfigTexturable(GrPixelConfig config) const = 0;
     virtual bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const = 0;
@@ -257,7 +259,8 @@ protected:
     int fMaxRenderTargetSize;
     int fMaxTextureSize;
     int fMaxTileSize;
-    int fMaxSampleCount;
+    int fMaxColorSampleCount;
+    int fMaxStencilSampleCount;
 
 private:
     virtual void onApplyOptionsOverrides(const GrContextOptions&) {};