Make nanobench and dm be usable from Chromium build

bench/nanobench.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <ctype.h>
 
 #include "Benchmark.h"
@@ skipping 554 matching lines @@
     SkTArray<SkScalar> fScales;
     SkTArray<SkString> fSKPs;
 
     const char* fSourceType;  // What we're benching: bench, GM, SKP, ...
     const char* fBenchType;   // How we bench it: micro, recording, playback, ...
     int fCurrentRecording;
     int fCurrentScale;
     int fCurrentSKP;
 };
 
-int nanobench_main();
 int nanobench_main() {
-    SetupCrashHandler();
     SkAutoGraphics ag;
 
 #if SK_SUPPORT_GPU
     GrContext::Options grContextOpts;
     grContextOpts.fDrawPathToCompressedTexture = FLAGS_gpuCompressAlphaMasks;
     gGrFactory.reset(SkNEW_ARGS(GrContextFactory, (grContextOpts)));
 #endif
 
     if (FLAGS_veryVerbose) {
         FLAGS_verbose = true;
@@ skipping 157 matching lines @@
         }
         if (FLAGS_resetGpuContext || FLAGS_abandonGpuContext) {
             gGrFactory->destroyContexts();
         }
 #endif
     }
 
     return 0;
 }
 
-#if !defined SK_BUILD_FOR_IOS
-int main(int argc, char** argv) {
-    SkCommandLineFlags::Parse(argc, argv);
-    return nanobench_main();
-}
-#endif