Fix a ton of compiler warnings.
Most of these are classes with virtual methods lacking virtual destructors
or NULL used in non-pointer context.
BUG=none
TEST=app_unittests && base_unittests
--gtest_filter=-ConditionVariableTest.LargeFastTaskTest
patch by Jacob Mandelson <jlmjlm [at] gmail>
http://codereview.chromium.org/171028/show
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@24792 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: be952c3ca6d93968409b246c9439a7d8c2a06bba
16 files changed