GrAtlas cleanup: Split out GrPlot and GrAtlas

include/gpu/GrGlyph.h

Index: include/gpu/GrGlyph.h
diff --git a/include/gpu/GrGlyph.h b/include/gpu/GrGlyph.h
index c730f24cce61664d2197c3f4188d7510079b167f..fe4c835773c3865ddb61a633795a7f0732ab9bca 100644
--- a/include/gpu/GrGlyph.h
+++ b/include/gpu/GrGlyph.h
@@ -11,7 +11,7 @@
 #include "GrRect.h"
 #include "SkPath.h"
 
-class GrAtlas;
+class GrPlot;
 
 /*  Need this to be quad-state:
     - complete w/ image
@@ -22,14 +22,14 @@ class GrAtlas;
 struct GrGlyph {
     typedef uint32_t PackedID;
 
-    GrAtlas*    fAtlas;
+    GrPlot*     fPlot;
     SkPath*     fPath;
     PackedID    fPackedID;
     GrIRect16   fBounds;
     GrIPoint16  fAtlasLocation;
 
     void init(GrGlyph::PackedID packed, const SkIRect& bounds) {
-        fAtlas = NULL;
+        fPlot = NULL;
         fPath = NULL;
         fPackedID = packed;
         fBounds.set(bounds);