sRGB support for distance field text.

src/gpu/batches/GrAtlasTextBatch.h

Index: src/gpu/batches/GrAtlasTextBatch.h
diff --git a/src/gpu/batches/GrAtlasTextBatch.h b/src/gpu/batches/GrAtlasTextBatch.h
index e883fa1d9fff27dd93f1f332d9ba4233f74c9968..629027a0030f551073505a3236c210ce09714fb3 100644
--- a/src/gpu/batches/GrAtlasTextBatch.h
+++ b/src/gpu/batches/GrAtlasTextBatch.h
@@ -58,6 +58,7 @@ public:
     static GrAtlasTextBatch* CreateDistanceField(
                                               int glyphCount, GrBatchFontCache* fontCache,
                                               const GrDistanceFieldAdjustTable* distanceAdjustTable,
+                                              bool useSRGBDistanceTable,
                                               SkColor filteredColor, bool isLCD,
                                               bool useBGR) {
         GrAtlasTextBatch* batch = new GrAtlasTextBatch;
@@ -65,6 +66,7 @@ public:
         batch->fFontCache = fontCache;
         batch->fMaskType = isLCD ? kLCDDistanceField_MaskType : kGrayscaleDistanceField_MaskType;
         batch->fDistanceAdjustTable.reset(SkRef(distanceAdjustTable));
+        batch->fUseSRGBDistanceTable = useSRGBDistanceTable;
         batch->fFilteredColor = filteredColor;
         batch->fUseBGR = useBGR;
         batch->fBatch.fNumGlyphs = glyphCount;
@@ -182,6 +184,7 @@ private:
     // Distance field properties
     SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable;
     SkColor fFilteredColor;
+    bool fUseSRGBDistanceTable;
 
     friend class GrBlobRegenHelper; // Needs to trigger flushes