Fix bug with GrAtlasTextContext color regen

src/gpu/GrAtlasTextBlob.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 "GrAtlasTextBlob.h"
 
 void GrAtlasTextBlob::appendGlyph(int runIndex,
@@ skipping 12 matching lines @@
         subRun->setStrike(strike);
     }
 
     run.fInitialized = true;
 
     size_t vertexStride = GetVertexStride(format);
 
     subRun->setMaskFormat(format);
 
     run.fVertexBounds.joinNonEmptyArg(positions);
-    run.fColor = color;
+    subRun->setColor(color);
 
     intptr_t vertex = reinterpret_cast<intptr_t>(this->fVertices + subRun->vertexEndIndex());
 
     if (kARGB_GrMaskFormat != glyph->fMaskFormat) {
         // V0
         SkPoint* position = reinterpret_cast<SkPoint*>(vertex);
         position->set(positions.fLeft, positions.fTop);
         SkColor* colorPtr = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint));
         *colorPtr = color;
         vertex += vertexStride;
@@ skipping 136 matching lines @@
                      rSubRun.fBulkUseToken.fPlotAlreadyUpdated);
             for (int k = 0; k < lSubRun.fBulkUseToken.fPlotsToUpdate.count(); k++) {
                 SkASSERT(lSubRun.fBulkUseToken.fPlotsToUpdate[k] ==
                          rSubRun.fBulkUseToken.fPlotsToUpdate[k]);
             }*/
         }
     }
 }
 
 #endif