Don't DCHECK if a watched directory doesn't exist.

base/directory_watcher_unittest.cc

Index: base/directory_watcher_unittest.cc
diff --git a/base/directory_watcher_unittest.cc b/base/directory_watcher_unittest.cc
index 39f64bb8b072d4312a9296f194975937ec8e06a1..1095c2b4b9f3c408b7fefb99a8242a2c16fac6cf 100644
--- a/base/directory_watcher_unittest.cc
+++ b/base/directory_watcher_unittest.cc
@@ -184,3 +184,12 @@ TEST_F(DirectoryWatcherTest, DeleteDuringNotify) {
   // Might as well double-check it got deleted, too.
   ASSERT_TRUE(deleter.watcher_.get() == NULL);
 }
+
+// Verify that watching a directory that doesn't exist fails, but doesn't
+// asssert.
+// Basic test: add a file and verify we notice it.
+TEST_F(DirectoryWatcherTest, NonExistantDirectory) {

[Evan Martin, 2009/01/07 18:47:57]

s/Existant/Existent/

+  DirectoryWatcher watcher;
+  ASSERT_FALSE(watcher.Watch(
+      test_dir_.Append(FILE_PATH_LITERAL("does-not-exist")), this));
+}