fix contents of render_pictures JSON summary

tools/render_pictures_main.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 "LazyDecodeBitmap.h"
 #include "CopyTilesRenderer.h"
 #include "SkBitmap.h"
@@ skipping 17 matching lines @@
 DECLARE_bool(deferImageDecoding);
 DEFINE_int32(maxComponentDiff, 256, "Maximum diff on a component, 0 - 256. Components that differ "
              "by more than this amount are considered errors, though all diffs are reported. "
              "Requires --validate.");
 DECLARE_string(readPath);
 DEFINE_bool(writeChecksumBasedFilenames, false,
             "When writing out images, use checksum-based filenames.");
 DEFINE_bool(writeEncodedImages, false, "Any time the skp contains an encoded image, write it to a "
             "file rather than decoding it. Requires writePath to be set. Skips drawing the full "
             "skp to a file. Not compatible with deferImageDecoding.");
-DEFINE_string(writeJsonSummaryPath, "", "File to write a JSON summary of image results to. "
-              "TODO(epoger): Currently, this only works if --writePath is also specified. "
-              "See https://code.google.com/p/skia/issues/detail?id=2043 .");
-DEFINE_string2(writePath, w, "", "Directory to write the rendered images.");
+DEFINE_string(writeJsonSummaryPath, "", "File to write a JSON summary of image results to.");
+DEFINE_string2(writePath, w, "", "Directory to write the rendered images into.");
 DEFINE_bool(writeWholeImage, false, "In tile mode, write the entire rendered image to a "
             "file, instead of an image for each tile.");
 DEFINE_bool(validate, false, "Verify that the rendered image contains the same pixels as "
             "the picture rendered in simple mode. When used in conjunction with --bbh, results "
             "are validated against the picture rendered in the same mode, but without the bbh.");
 
 DEFINE_bool(bench_record, false, "If true, drop into an infinite loop of recording the picture.");
 
 DEFINE_bool(preprocess, false, "If true, perform device specific preprocessing before rendering.");
 
@@ skipping 282 matching lines @@
         for (int i = 1; i <= 255; ++i) {
             if(diffs[i] > 0) {
                 SkDebugf("Number of pixels with max diff of %i is %i\n", i, diffs[i]);
             }
         }
     }
 
     if (FLAGS_writeWholeImage) {
         sk_tools::force_all_opaque(*bitmap);
 
-        // TODO(epoger): It would be better for the filename (without outputDir) to be passed in
-        // here, and used both for the checksum file and writing into outputDir.
         SkString inputFilename, outputPath;
         sk_tools::get_basename(&inputFilename, inputPath);
         sk_tools::make_filepath(&outputPath, *outputDir, inputFilename);
         sk_tools::replace_char(&outputPath, '.', '_');
         outputPath.append(".png");
 
         if (NULL != jsonSummaryPtr) {
             SkString outputFileBasename;
             sk_tools::get_basename(&outputFileBasename, outputPath);
             jsonSummaryPtr->add(inputFilename.c_str(), outputFileBasename.c_str(), *bitmap);
@@ skipping 124 matching lines @@
         jsonSummary.writeToFile(FLAGS_writeJsonSummaryPath[0]);
     }
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif