Rename GrAtlasTextBlob -> GrTextBlob

Change-Id: I61311b48f206890dfd1a20796d7d678cd05ef5a3
Reviewed-on: https://skia-review.googlesource.com/130140
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Herb Derby <herb@google.com>
diff --git a/gn/gpu.gni b/gn/gpu.gni
index d050df9..14059fd 100644
--- a/gn/gpu.gni
+++ b/gn/gpu.gni
@@ -407,19 +407,19 @@
   # text
   "$_src/gpu/text/GrAtlasManager.cpp",
   "$_src/gpu/text/GrAtlasManager.h",
-  "$_src/gpu/text/GrAtlasTextBlob.cpp",
-  "$_src/gpu/text/GrAtlasTextBlobVertexRegenerator.cpp",
-  "$_src/gpu/text/GrAtlasTextBlob.h",
-  "$_src/gpu/text/GrTextContext.cpp",
-  "$_src/gpu/text/GrTextContext.h",
   "$_src/gpu/text/GrDistanceFieldAdjustTable.cpp",
   "$_src/gpu/text/GrDistanceFieldAdjustTable.h",
   "$_src/gpu/text/GrGlyphCache.cpp",
   "$_src/gpu/text/GrGlyphCache.h",
   "$_src/gpu/text/GrSDFMaskFilter.cpp",
   "$_src/gpu/text/GrSDFMaskFilter.h",
+  "$_src/gpu/text/GrTextBlob.cpp",
+  "$_src/gpu/text/GrTextBlob.h",
   "$_src/gpu/text/GrTextBlobCache.cpp",
   "$_src/gpu/text/GrTextBlobCache.h",
+  "$_src/gpu/text/GrTextContext.cpp",
+  "$_src/gpu/text/GrTextContext.h",
+  "$_src/gpu/text/GrTextBlobVertexRegenerator.cpp",
   "$_src/gpu/text/GrTextUtils.cpp",
   "$_src/gpu/text/GrTextUtils.h",