Revert of Create swizzle table inside of glsl caps

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 10d62b029814323345c99b3df81e1b32822fab34..2ad58270753c0fd9322fab2d1043be282efdb1e5 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -171,6 +171,9 @@
      */
     bool bgraIsInternalFormat() const { return fBGRAIsInternalFormat; }
 
+    /// GL_ARB_texture_swizzle support
+    bool textureSwizzleSupport() const { return fTextureSwizzleSupport; }
+
     /// Is there support for GL_UNPACK_ROW_LENGTH
     bool unpackRowLengthSupport() const { return fUnpackRowLengthSupport; }
 
@@ -269,8 +272,6 @@
     void init(const GrContextOptions&, const GrGLContextInfo&, const GrGLInterface*);
     void initGLSL(const GrGLContextInfo&);
     bool hasPathRenderingSupport(const GrGLContextInfo&, const GrGLInterface*);
-
-    void onApplyOptionsOverrides(const GrContextOptions& options) override;
 
     /**
      * Maintains a bit per GrPixelConfig. It is used to avoid redundantly
@@ -322,8 +323,6 @@
                                   const GrGLInterface* intf,
                                   GrGLSLCaps* glslCaps);
 
-    void initConfigSwizzleTable(const GrGLContextInfo& ctxInfo, GrGLSLCaps* glslCaps);
-
     // tracks configs that have been verified to pass the FBO completeness when
     // used as a color attachment
     VerifiedColorConfigs fVerifiedColorConfigs;
@@ -341,6 +340,7 @@
 
     bool fRGBA8RenderbufferSupport : 1;
     bool fBGRAIsInternalFormat : 1;
+    bool fTextureSwizzleSupport : 1;
     bool fUnpackRowLengthSupport : 1;
     bool fUnpackFlipYSupport : 1;
     bool fPackRowLengthSupport : 1;