Fix mixed samples stencil clip

src/gpu/gl/GrGLCaps.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrGLCaps_DEFINED
 #define GrGLCaps_DEFINED
@@ skipping 195 matching lines @@
 
     /// Is there support for GL_EXT_direct_state_access?
     bool directStateAccessSupport() const { return fDirectStateAccessSupport; }
 
     /// Is there support for GL_KHR_debug?
     bool debugSupport() const { return fDebugSupport; }
 
     /// Is there support for ES2 compatability?
     bool ES2CompatibilitySupport() const { return fES2CompatibilitySupport; }
 
-    /// Can we call glDisable(GL_MULTISAMPLE)?
-    bool multisampleDisableSupport() const {
-        return fMultisampleDisableSupport;
-    }
-
     /// Use indices or vertices in CPU arrays rather than VBOs for dynamic content.
     bool useNonVBOVertexAndIndexDynamicData() const {
         return fUseNonVBOVertexAndIndexDynamicData;
     }
 
     /// Does ReadPixels support the provided format/type combo?
     bool readPixelsSupported(const GrGLInterface* intf,
                              GrGLenum format,
                              GrGLenum type,
                              GrGLenum currFboFormat) const;
@@ skipping 118 matching lines @@
     bool fTexStorageSupport : 1;
     bool fTextureRedSupport : 1;
     bool fImagingSupport  : 1;
     bool fTwoFormatLimit : 1;
     bool fFragCoordsConventionSupport : 1;
     bool fVertexArrayObjectSupport : 1;
     bool fInstancedDrawingSupport : 1;
     bool fDirectStateAccessSupport : 1;
     bool fDebugSupport : 1;
     bool fES2CompatibilitySupport : 1;
-    bool fMultisampleDisableSupport : 1;
     bool fUseNonVBOVertexAndIndexDynamicData : 1;
     bool fIsCoreProfile : 1;
     bool fBindFragDataLocationSupport : 1;
     bool fSRGBWriteControl : 1;
     bool fRGBA8888PixelsOpsAreSlow : 1;
     bool fPartialFBOReadIsSlow : 1;
     bool fBindUniformLocationSupport : 1;
 
     struct ReadPixelsSupportedFormat {
         GrGLenum fFormat;
         GrGLenum fType;
         GrGLenum fFboFormat;
 
         bool operator==(const ReadPixelsSupportedFormat& rhs) const {
             return fFormat    == rhs.fFormat
                 && fType      == rhs.fType
                 && fFboFormat == rhs.fFboFormat;
         }
     };
     mutable SkTHashMap<ReadPixelsSupportedFormat, bool> fReadPixelsSupportedCache;
 
     typedef GrCaps INHERITED;
 };
 
 #endif