gm self-tests: stop comparing stdout/stderr/command_line, just look at JSON summary

gm/tests/run.sh

Index: gm/tests/run.sh
===================================================================
--- gm/tests/run.sh	(revision 10989)
+++ gm/tests/run.sh	(working copy)
@@ -68,7 +68,6 @@
 
 # Run gm...
 # - with the arguments in $1
-# - writing stdout into $2/$OUTPUT_ACTUAL_SUBDIR/stdout
 # - writing json summary into $2/$OUTPUT_ACTUAL_SUBDIR/json-summary.txt
 # - writing return value into $2/$OUTPUT_ACTUAL_SUBDIR/return_value
 # Then compare all of those against $2/$OUTPUT_EXPECTED_SUBDIR .
@@ -87,20 +86,9 @@
 
   COMMAND="$GM_BINARY $GM_ARGS --writeJsonSummaryPath $JSON_SUMMARY_FILE --writePath $ACTUAL_OUTPUT_DIR/writePath --mismatchPath $ACTUAL_OUTPUT_DIR/mismatchPath --missingExpectationsPath $ACTUAL_OUTPUT_DIR/missingExpectationsPath"
 
-  echo "$COMMAND" >$ACTUAL_OUTPUT_DIR/command_line
-  $COMMAND >$ACTUAL_OUTPUT_DIR/stdout 2>$ACTUAL_OUTPUT_DIR/stderr
+  $COMMAND >/dev/null 2>/dev/null
   echo $? >$ACTUAL_OUTPUT_DIR/return_value
 
-  # Only compare selected lines in the stdout, to ignore any spurious lines
-  # as noted in http://code.google.com/p/skia/issues/detail?id=1068 .
-  #
-  # TODO(epoger): This is still hacky... we need to rewrite this script in
-  # Python soon, and make stuff like this more maintainable.
-  grep ^GM: $ACTUAL_OUTPUT_DIR/stdout >$ACTUAL_OUTPUT_DIR/stdout-tmp

[epoger, 2013/08/28 19:43:04]

Now that we aren't filtering stdout for these "GM: " lines, I can get rid of the
gm_fprintf() function at
https://code.google.com/p/skia/source/browse/trunk/gm/gm_expectations.cpp?r=1...
.  But I'll save that for later...

-  mv $ACTUAL_OUTPUT_DIR/stdout-tmp $ACTUAL_OUTPUT_DIR/stdout
-  grep ^GM: $ACTUAL_OUTPUT_DIR/stderr >$ACTUAL_OUTPUT_DIR/stderr-tmp
-  mv $ACTUAL_OUTPUT_DIR/stderr-tmp $ACTUAL_OUTPUT_DIR/stderr
-
   # Replace image file contents with just the filename, for two reasons:
   # 1. Image file encoding may vary by platform
   # 2. https://code.google.com/p/chromium/issues/detail?id=169600