Decouple contrast boost from fake gamma.

src/gpu/text/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"
 
 #include "GrBlurUtils.h"
@@ skipping 33 matching lines @@
         new (&cacheBlob->fRuns[i]) GrAtlasTextBlob::Run;
     }
     cacheBlob->fRunCount = runCount;
     cacheBlob->fPool = pool;
     return cacheBlob;
 }
 
 
 SkGlyphCache* GrAtlasTextBlob::setupCache(int runIndex,
                                           const SkSurfaceProps& props,
-                                          SkPaint::FakeGamma fakeGamma,
+                                          uint32_t scalerContextFlags,
                                           const SkPaint& skPaint,
                                           const SkMatrix* viewMatrix) {
     GrAtlasTextBlob::Run* run = &fRuns[runIndex];
 
     // if we have an override descriptor for the run, then we should use that
     SkAutoDescriptor* desc = run->fOverrideDescriptor.get() ? run->fOverrideDescriptor.get() :
                                                               &run->fDescriptor;
-    skPaint.getScalerContextDescriptor(desc, props, fakeGamma, viewMatrix);
+    skPaint.getScalerContextDescriptor(desc, props, scalerContextFlags, viewMatrix);
     run->fTypeface.reset(SkSafeRef(skPaint.getTypeface()));
     return SkGlyphCache::DetachCache(run->fTypeface, desc->getDesc());
 }
 
 void GrAtlasTextBlob::appendGlyph(int runIndex,
                                   const SkRect& positions,
                                   GrColor color,
                                   GrBatchTextStrike* strike,
                                   GrGlyph* glyph,
                                   GrFontScaler* scaler, const SkGlyph& skGlyph,
@@ skipping 481 matching lines @@
 
 void GrAtlasTextBlob::Run::SubRunInfo::computeTranslation(const SkMatrix& viewMatrix,
                                                           SkScalar x, SkScalar y, SkScalar* transX,
                                                           SkScalar* transY) {
     calculate_translation(!this->drawAsDistanceFields(), viewMatrix, x, y,
                           fCurrentViewMatrix, fX, fY, transX, transY);
     fCurrentViewMatrix = viewMatrix;
     fX = x;
     fY = y;
 }