Fix mixed samples stencil clip

src/gpu/gl/GrGLGpu.h

Index: src/gpu/gl/GrGLGpu.h
diff --git a/src/gpu/gl/GrGLGpu.h b/src/gpu/gl/GrGLGpu.h
index 396d488174dfdabdcf254c26815db1a15a818bc8..8dbf5936fb24049f8eb3ed7d1988d71f9dbb8dc2 100644
--- a/src/gpu/gl/GrGLGpu.h
+++ b/src/gpu/gl/GrGLGpu.h
@@ -269,16 +269,12 @@ private:
     // ensures that such operations don't negatively interact with tracking bound textures.
     void setScratchTextureUnit();
 
-    // colocates all samples at pixel center for render target, if MSAA.
-    // allows drawing coverage based AA shapes in MSAA mode.
-    void setColocatedSampleLocations(GrRenderTarget* rt, bool useColocatedSampleLocations);
-
     // bounds is region that may be modified and therefore has to be resolved.
     // nullptr means whole target. Can be an empty rect.
-    void flushRenderTarget(GrGLRenderTarget*, const SkIRect* bounds);
+    void flushRenderTarget(GrGLRenderTarget*, const SkIRect* bounds, bool coCenterSamples = false);
 
     void flushStencil(const GrStencilSettings&);
-    void flushHWAAState(GrRenderTarget* rt, bool useHWAA, bool stencilEnabled);
+    void flushHWAAState(GrRenderTarget* rt, bool useHWAA);
 
     bool configToGLFormats(GrPixelConfig config,
                            bool getSizedInternal,