Revert of Initial work to get ETC1 data up to the GPU

include/gpu/GrTypes.h

Index: include/gpu/GrTypes.h
diff --git a/include/gpu/GrTypes.h b/include/gpu/GrTypes.h
index 34f4e2827d9b818af8059570cce78978658a329f..53e633da573207f77d632209683051323e1eb8bd 100644
--- a/include/gpu/GrTypes.h
+++ b/include/gpu/GrTypes.h
@@ -641,26 +641,6 @@
 };
 
 /**
- * Returns the data size for the given compressed pixel config
- */ 
-static inline size_t GrCompressedFormatDataSize(GrPixelConfig config,
-                                                int width, int height) {
-    SkASSERT(GrPixelConfigIsCompressed(config));
-
-    switch (config) {
-        case kLATC_GrPixelConfig:
-        case kETC1_GrPixelConfig:
-            SkASSERT((width & 3) == 0);
-            SkASSERT((height & 3) == 0);
-            return (width >> 2) * (height >> 2) * 8;
-
-        default:
-            SkFAIL("Unknown compressed pixel config");
-            return 4 * width * height;
-    }
-}
-
-/**
  * This value translates to reseting all the context state for any backend.
  */
 static const uint32_t kAll_GrBackendState = 0xffffffff;