Rename flag from "distance field" to "device independent."

src/gpu/GrAtlasTextContext.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "GrAtlasTextContext.h"
 
 #include "GrBatchFontCache.h"
 #include "GrBatchFlushState.h"
@@ skipping 440 matching lines @@
     }
 
     SkScalar maxScale = viewMatrix.getMaxScale();
     SkScalar scaledTextSize = maxScale*skPaint.getTextSize();
     // Hinted text looks far better at small resolutions
     // Scaling up beyond 2x yields undesireable artifacts
     if (scaledTextSize < kMinDFFontSize || scaledTextSize > kLargeDFFontLimit) {
         return false;
     }
 
-    bool useDFT = fSurfaceProps.isUseDistanceFieldFonts();
+    bool useDFT = fSurfaceProps.isUseDeviceIndependentFonts();
 #if SK_FORCE_DISTANCE_FIELD_TEXT
     useDFT = true;
 #endif
 
     if (!useDFT && scaledTextSize < kLargeDFFontSize) {
         return false;
     }
 
     // rasterizers and mask filters modify alpha, which doesn't
     // translate well to distance
@@ skipping 1813 matching lines @@
             gTextContext->createDrawTextBlob(rt, clip, grPaint, skPaint, viewMatrix, text,
                                              static_cast<size_t>(textLen), 0, 0, noClip));
 
     SkScalar transX = static_cast<SkScalar>(random->nextU());
     SkScalar transY = static_cast<SkScalar>(random->nextU());
     const GrAtlasTextBlob::Run::SubRunInfo& info = blob->fRuns[0].fSubRunInfo[0];
     return gTextContext->createBatch(blob, info, textLen, 0, 0, color, transX, transY, skPaint);
 }
 
 #endif