Reduce test.dart memory usage

Reduce test.dart memory usage

BUG=dartbug.com/18084
R=ricow@google.com

Committed: https://code.google.com/p/dart/source/detail?r=35365

[Bill Hesse, 2014-04-23 17:38:44]

https://codereview.chromium.org/247223009/diff/1/tools/testing/dart/test_prog...
File tools/testing/dart/test_progress.dart (left):

https://codereview.chromium.org/247223009/diff/1/tools/testing/dart/test_prog...
tools/testing/dart/test_progress.dart:84: && !test.expectCompileError) {
This is the one case who's semantics is changed - the cctests and package
compile tests, with no test.info, will output this if the rest of the condition
holds, since expectCompileError will be false.  This seems correct.

[ricow1, 2014-04-23 17:49:36]

lgtm

https://codereview.chromium.org/247223009/diff/1/tools/testing/dart/test_runn...
File tools/testing/dart/test_runner.dart (right):

https://codereview.chromium.org/247223009/diff/1/tools/testing/dart/test_runn...
tools/testing/dart/test_runner.dart:725: static final int IS_NEGATIVE = 1 << 0;
put all these in a seperate section instead of in the middle of the instance
variables

https://codereview.chromium.org/247223009/diff/1/tools/testing/dart/test_runn...
tools/testing/dart/test_runner.dart:757: }
extract the above to a method, setExpectationsFromInfo

[Bill Hesse, 2014-04-24 11:10:07]

Committed patchset #3 manually as r35365 (presubmit successful).