Add function support for Sleep and MessageLoop with TimeDelta input.

base/threading/platform_thread_posix.cc

Index: base/threading/platform_thread_posix.cc
diff --git a/base/threading/platform_thread_posix.cc b/base/threading/platform_thread_posix.cc
index ea1f037725259ea890d88ea24c7b8ec0ab340628..a873efc2ba6c3d2e6267243f1e134a3b7f84acfd 100644
--- a/base/threading/platform_thread_posix.cc
+++ b/base/threading/platform_thread_posix.cc
@@ -165,6 +165,13 @@ void PlatformThread::Sleep(int duration_ms) {
     sleep_time = remaining;
 }
 
+// static
+void PlatformThread::Sleep(TimeDelta duration) {
+  // NOTE: This function is intended to supplant the other version of Sleep
+  // in the future.  See issue 108171 for more information.
+  Sleep(duration.InMillisecondsRoundedUp());

[brettw, 2011/12/28 20:10:27]

It seems like this is backwards. Sleep(ms) should be implemented in terms of
this function. Both TimeDelta and the timespec used in the existing sleep code
have a lot more resolution than just ms. While it arguably doesn't matter for
this case, it seems weird to throw it away.

+}
+
 #if defined(OS_LINUX)
 // static
 void PlatformThread::SetName(const char* name) {