Remove tab parameter from GrGLSLMulVarBy4f function

src/gpu/gl/GrGLSL.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLSL.h"
 #include "GrGLShaderVar.h"
 #include "SkString.h"
@@ skipping 51 matching lines @@
                 return "#version 150\n";
             } else {
                 return "#version 150 compatibility\n";
             }
         default:
             SkFAIL("Unknown GL version.");
             return ""; // suppress warning
     }
 }
 
-namespace {
-    void append_tabs(SkString* outAppend, int tabCnt) {
-        static const char kTabs[] = "\t\t\t\t\t\t\t\t";
-        while (tabCnt) {
-            int cnt = SkTMin((int)SK_ARRAY_COUNT(kTabs), tabCnt);
-            outAppend->append(kTabs, cnt);
-            tabCnt -= cnt;
-        }
-    }
-}
-
-void GrGLSLMulVarBy4f(SkString* outAppend,
-                      unsigned tabCnt,
-                      const char* vec4VarName,
-                      const GrGLSLExpr4& mulFactor) {
+void GrGLSLMulVarBy4f(SkString* outAppend, const char* vec4VarName, const GrGLSLExpr4& mulFactor) {
     if (mulFactor.isOnes()) {
         *outAppend = SkString();
     }
 
-    append_tabs(outAppend, tabCnt);
-
     if (mulFactor.isZeros()) {
-        outAppend->appendf("%s = vec4(0);\n", vec4VarName);
+        outAppend->appendf("%s = vec4(0);", vec4VarName);
     } else {
-        outAppend->appendf("%s *= %s;\n", vec4VarName, mulFactor.c_str());
+        outAppend->appendf("%s *= %s;", vec4VarName, mulFactor.c_str());
     }
 }