Revert of Delete unused method aliases and texture flag.

include/gpu/GrTexture.h

Index: include/gpu/GrTexture.h
diff --git a/include/gpu/GrTexture.h b/include/gpu/GrTexture.h
index d02382981d02fc9c348f082377c33f9e691812d8..28c3fd5cdec8a09e4929421fd656f6aed25a8afd 100644
--- a/include/gpu/GrTexture.h
+++ b/include/gpu/GrTexture.h
@@ -41,6 +41,23 @@
      * changed externally to Skia.
      */
     virtual void textureParamsModified() = 0;
+
+    /**
+     * Informational texture flags. This will be removed soon.
+     */
+    enum FlagBits {
+        kFirstBit = (kLastPublic_GrTextureFlagBit << 1),
+
+        /**
+         * This texture should be returned to the texture cache when
+         * it is no longer reffed
+         */
+        kReturnToCache_FlagBit        = kFirstBit,
+    };
+
+    void resetFlag(GrTextureFlags flags) {
+        fDesc.fFlags = fDesc.fFlags & ~flags;
+    }
 
 #ifdef SK_DEBUG
     void validate() const {