Move ETC1 and LATC enums value to GrPixelConfig

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 c2d808e4a54bdb63ba5544cdc6a5f2f481f60b1a..6ccafe83e3dc0e4c61c6196295a44a1369b6acf4 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -270,6 +270,19 @@ public:
      */
     virtual SkString dump() const SK_OVERRIDE;
 
+    /**
+     * LATC can appear under one of three possible names. In order to know
+     * which GL internal format to use, we need to keep track of which name
+     * we found LATC under. The default is LATC.
+     */
+    enum LATCAlias {
+        kLATC_LATCAlias,
+        kRGTC_LATCAlias,
+        k3DC_LATCAlias
+    };
+
+    LATCAlias latcAlias() const { return fLATCAlias; }
+
 private:
     /**
      * Maintains a bit per GrPixelConfig. It is used to avoid redundantly
@@ -312,8 +325,7 @@ private:
     void initStencilFormats(const GrGLContextInfo&);
     // This must be called after initFSAASupport().
     void initConfigRenderableTable(const GrGLContextInfo&);
-
-    void initCompressedTextureSupport(const GrGLContextInfo &);
+    void initConfigTexturableTable(const GrGLContextInfo&);
 
     // tracks configs that have been verified to pass the FBO completeness when
     // used as a color attachment
@@ -334,6 +346,7 @@ private:
     FBFetchType         fFBFetchType;
     InvalidateFBType    fInvalidateFBType;
     MapBufferType       fMapBufferType;
+    LATCAlias           fLATCAlias;
 
     bool fRGBA8RenderbufferSupport : 1;
     bool fBGRAFormatSupport : 1;