Cleanup: Delete sk_tools::make_filepath() in favor of SkOSPath::SkPathJoin().

tools/filtermain.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 "SkDebugCanvas.h"
 #include "SkDevice.h"
 #include "SkForceLinking.h"
@@ skipping 800 matching lines @@
             return -1;
         }
     }
 
     SkOSFile::Iter iter(inDir.c_str(), "skp");
 
     SkString inputFilename, outputFilename;
     if (iter.next(&inputFilename)) {
 
         do {
-            sk_tools::make_filepath(&inFile, inDir, inputFilename);
+            inFile = SkOSPath::SkPathJoin(inDir.c_str(), inputFilename.c_str());
             if (!outDir.isEmpty()) {
-                sk_tools::make_filepath(&outFile, outDir, inputFilename);
+                outFile = SkOSPath::SkPathJoin(outDir.c_str(), inputFilename.c_str());
             }
             SkDebugf("Executing %s\n", inputFilename.c_str());
             filter_picture(inFile, outFile);
         } while(iter.next(&inputFilename));
 
     } else if (!inFile.isEmpty()) {
         filter_picture(inFile, outFile);
     } else {
         usage();
         return -1;
     }
 
     for (size_t opt = 0; opt < SK_ARRAY_COUNT(gOptTable); ++opt) {
         SkDebugf("opt %d: %d\n", opt, gOptTable[opt].fNumTimesApplied);
     }
 
     SkGraphics::Term();
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif