Differentiate maxColorSamples and maxStencilSamples in GrCaps

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index ddc52cc378196c77fcf852090dd935df4a3a2520..77e06ee79a3337c7ea8edec32bb76df0d5d42b95 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -402,10 +402,11 @@ void GrGLCaps::init(const GrContextOptions& contextOptions,
 
     // initFSAASupport() must have been called before this point
     if (GrGLCaps::kES_IMG_MsToTexture_MSFBOType == fMSFBOType) {
-        GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES_IMG, &fMaxSampleCount);
+        GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES_IMG, &fMaxColorSampleCount);
     } else if (GrGLCaps::kNone_MSFBOType != fMSFBOType) {
-        GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES, &fMaxSampleCount);
+        GR_GL_GetIntegerv(gli, GR_GL_MAX_SAMPLES, &fMaxColorSampleCount);
     }
+    fMaxStencilSampleCount = fMaxColorSampleCount;
 
     if (kPowerVR54x_GrGLRenderer == ctxInfo.renderer() ||
         kPowerVRRogue_GrGLRenderer == ctxInfo.renderer() ||