Move thread from test/ to util/thread/.

util/thread/thread_posix.cc

Index: util/thread/thread_posix.cc
diff --git a/test/thread_posix.cc b/util/thread/thread_posix.cc
similarity index 77%
rename from test/thread_posix.cc
rename to util/thread/thread_posix.cc
index 9334d89a3efe52fb7733400efa51f40129fe2c7a..7142c78685c6f2d6d62591a86b558ce04dd158b1 100644
--- a/test/thread_posix.cc
+++ b/util/thread/thread_posix.cc
@@ -12,24 +12,22 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "test/thread.h"
+#include "util/thread/thread.h"
 
-#include "gtest/gtest.h"
-#include "test/errors.h"
+#include "base/logging.h"
 
 namespace crashpad {
-namespace test {
 
 void Thread::Start() {
-  ASSERT_FALSE(platform_thread_);
+  DCHECK(!platform_thread_);
   int rv = pthread_create(&platform_thread_, nullptr, ThreadEntryThunk, this);
-  ASSERT_EQ(0, rv) << ErrnoMessage(rv, "pthread_create");
+  PCHECK(0 == rv);
 }
 
 void Thread::Join() {
-  ASSERT_TRUE(platform_thread_);
+  DCHECK(platform_thread_);
   int rv = pthread_join(platform_thread_, nullptr);
-  EXPECT_EQ(0, rv) << ErrnoMessage(rv, "pthread_join");
+  PCHECK(0 == rv);
   platform_thread_ = 0;
 }
 
@@ -40,5 +38,4 @@ void* Thread::ThreadEntryThunk(void* argument) {
   return nullptr;
 }
 
-}  // namespace test
 }  // namespace crashpad