Remove "f" suffix from literal in LCD DF text shader.

src/gpu/effects/GrDistanceFieldGeoProc.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDistanceFieldGeoProc.h"
 #include "GrInvariantOutput.h"
 #include "GrTexture.h"
@@ skipping 702 matching lines @@
 
             // this gives us a smooth step across approximately one fragment
             fragBuilder->codeAppend("afwidth = " SK_DistanceFieldAAFactor "*length(grad);");
         }
 
         // The smoothstep falloff compensates for the non-linear sRGB response curve. If we are
         // doing gamma-correct rendering (to an sRGB or F16 buffer), then we actually want distance
         // mapped linearly to coverage, so use a linear step:
         if (isGammaCorrect) {
             fragBuilder->codeAppend("vec4 val = "
-                "vec4(clamp(distance + vec3(afwidth) / vec3(2.0 * afwidth), 0.0, 1.0), 1.0f);");
+                "vec4(clamp(distance + vec3(afwidth) / vec3(2.0 * afwidth), 0.0, 1.0), 1.0);");
         } else {
             fragBuilder->codeAppend(
                 "vec4 val = vec4(smoothstep(vec3(-afwidth), vec3(afwidth), distance), 1.0);");
         }
 
         // set alpha to be max of rgb coverage
         fragBuilder->codeAppend("val.a = max(max(val.r, val.g), val.b);");
 
         fragBuilder->codeAppendf("%s = val;", args.fOutputCoverage);
     }
@@ skipping 105 matching lines @@
         flags |= d->fRandom->nextBool() ? kScaleOnly_DistanceFieldEffectFlag : 0;
     }
     flags |= d->fRandom->nextBool() ? kBGR_DistanceFieldEffectFlag : 0;
     return GrDistanceFieldLCDTextGeoProc::Make(GrRandomColor(d->fRandom),
                                                GrTest::TestMatrix(d->fRandom),
                                                d->fTextures[texIdx], params,
                                                wa,
                                                flags,
                                                d->fRandom->nextBool());
 }