Unit Tests: eliminate stray SkDebugf()s.

dm/DM.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
 #include "DMSrcSinkAndroid.h"
 #include "ProcStats.h"
+#include "Resources.h"
 #include "SkBBHFactory.h"
 #include "SkChecksum.h"
 #include "SkCodec.h"
 #include "SkCommonFlags.h"
 #include "SkCommonFlagsConfig.h"
 #include "SkFontMgr.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkMD5.h"
 #include "SkMutex.h"
@@ skipping 1115 matching lines @@
 
 int dm_main();
 int dm_main() {
     setup_crash_handler();
 
     JsonWriter::DumpJson();  // It's handy for the bots to assume this is ~never missing.
     SkAutoGraphics ag;
     SkTaskGroup::Enabler enabled(FLAGS_threads);
     gCreateTypefaceDelegate = &create_from_name;
 
+    {
+        SkString testResourcePath = GetResourcePath("color_wheel.png");
+        SkFILEStream testResource(testResourcePath.c_str());
+        if (!testResource.isValid()) {
+            SkDebugf("Some resources are missing.  Do you need to set --resourcePath?\n");
+        }
+    }
     gather_gold();
     gather_uninteresting_hashes();
 
     if (!gather_srcs()) {
         return 1;
     }
     gather_sinks();
     gather_tests();
 
     gPending = gSrcs.count() * gSinks.count() + gParallelTests.count() + gSerialTests.count();
@@ skipping 142 matching lines @@
                                                            Reporter* reporter,
                                                            GrContextFactory* factory);
 } // namespace skiatest
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif