Add default resource path for skia test cases in gm and bench tools.

bench/benchmain.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 "BenchTimer.h"
 #include "ResultsWriter.h"
 #include "SkBenchLogger.h"
@@ skipping 257 matching lines @@
              "picturerecord:  draw from an SkPicture to an SkPicture.\n");
 DEFINE_string(config, kDefaultsConfigStr,
               "Run configs given.  By default, runs the configs marked \"runByDefault\" in gConfigs.");
 DEFINE_string(logFile, "", "Also write stdout here.");
 DEFINE_int32(minMs, 20,  "Shortest time we'll allow a benchmark to run.");
 DEFINE_int32(maxMs, 4000, "Longest time we'll allow a benchmark to run.");
 DEFINE_double(error, 0.01,
               "Ratio of subsequent bench measurements must drop within 1±error to converge.");
 DEFINE_string(timeFormat, "%9.2f", "Format to print results, in milliseconds per 1000 loops.");
 DEFINE_bool2(verbose, v, false, "Print more.");
-DEFINE_string2(resourcePath, i, NULL, "directory for test resources.");
+DEFINE_string2(resourcePath, i, "resources", "directory for test resources.");
 DEFINE_string(outResultsFile, "", "If given, the results will be written to the file in JSON format.");
 
 // Has this bench converged?  First arguments are milliseconds / loop iteration,
 // last is overall runtime in milliseconds.
 static bool HasConverged(double prevPerLoop, double currPerLoop, double currRaw) {
     if (currRaw < FLAGS_minMs) {
         return false;
     }
     const double low = 1 - FLAGS_error, high = 1 + FLAGS_error;
     const double ratio = currPerLoop / prevPerLoop;
@@ skipping 398 matching lines @@
     gContextFactory.destroyContexts();
 #endif
     return 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif