Remove tab parameter from GrGLSLMulVarBy4f function

src/gpu/effects/GrConfigConversionEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConfigConversionEffect.h"
 #include "GrContext.h"
 #include "GrTBackendProcessorFactory.h"
@@ skipping 63 matching lines @@
                         "%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(floor(%s.%s / %s.a * 255.0) / 255.0, %s.a);",
                         tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
                     break;
                 default:
                     SkFAIL("Unknown conversion op.");
                     break;
             }
             fsBuilder->codeAppendf("%s = %s;", outputColor, tmpVar.c_str());
         }
         SkString modulate;
-        GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor);
+        GrGLSLMulVarBy4f(&modulate, outputColor, inputColor);
         fsBuilder->codeAppend(modulate.c_str());
     }
 
     static inline void GenKey(const GrProcessor& processor, const GrGLCaps&,
                               GrProcessorKeyBuilder* b) {
         const GrConfigConversionEffect& conv = processor.cast<GrConfigConversionEffect>();
         uint32_t key = (conv.swapsRedAndBlue() ? 0 : 1) | (conv.pmConversion() << 1);
         b->add32(key);
     }
 
@@ skipping 181 matching lines @@
             kNone_PMConversion != pmConversion) {
             // The PM conversions assume colors are 0..255
             return NULL;
         }
         return SkNEW_ARGS(GrConfigConversionEffect, (texture,
                                                      swapRedAndBlue,
                                                      pmConversion,
                                                      matrix));
     }
 }