Rename GrAtlasTextBatch files to GrAtlasTextOp

Change-Id: I3ce7321577c236a95811d7a2da798d4eb2e0cbd3
Reviewed-on: https://skia-review.googlesource.com/6116
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/text/GrAtlasTextBlob.cpp b/src/gpu/text/GrAtlasTextBlob.cpp
index c5fa86f..e3c23d6 100644
--- a/src/gpu/text/GrAtlasTextBlob.cpp
+++ b/src/gpu/text/GrAtlasTextBlob.cpp
@@ -16,7 +16,7 @@
 #include "SkDrawFilter.h"
 #include "SkGlyphCache.h"
 #include "SkTextBlobRunIterator.h"
-#include "batches/GrAtlasTextBatch.h"
+#include "batches/GrAtlasTextOp.h"
 
 GrAtlasTextBlob* GrAtlasTextBlob::Create(GrMemoryPool* pool, int glyphCount, int runCount) {
     // We allocate size for the GrAtlasTextBlob itself, plus size for the vertices array,