Revert "Fix compiler warnings in libchrome"

This reverts commit b636ff6a8ac3b54b3067289f01848252ab71eceb.

This broke trunk with messages like:

In file included from external/libchrome/base/time/time_posix.cc:29:0:
external/libchrome/base/lazy_instance.h:51:36: error: missing initializer for member 'base::LazyInstance<base::Lock, base::internal::LeakyLazyInstanceTraits<base::Lock> >::private_instance_' [-Werror=missing-field-initializers]
 #define LAZY_INSTANCE_INITIALIZER {}
                                    ^
external/libchrome/base/time/time_posix.cc:39:38: note: in expansion of macro 'LAZY_INSTANCE_INITIALIZER'
     g_sys_time_to_time_struct_lock = LAZY_INSTANCE_INITIALIZER;
                                      ^
external/libchrome/base/lazy_instance.h:51:36: error: missing initializer for member 'base::LazyInstance<base::Lock, base::internal::LeakyLazyInstanceTraits<base::Lock> >::private_buf_' [-Werror=missing-field-initializers]
 #define LAZY_INSTANCE_INITIALIZER {}
                                    ^
external/libchrome/base/time/time_posix.cc:39:38: note: in expansion of macro 'LAZY_INSTANCE_INITIALIZER'
     g_sys_time_to_time_struct_lock = LAZY_INSTANCE_INITIALIZER;
                                      ^
cc1plus: all warnings being treated as errors

Change-Id: I0c0308e716bd1ed7914e2a032e439a9261d38e56

1 files changed, 1 insertions, 1 deletions

diff --git a/components/timers/alarm_timer_chromeos.cc b/components/timers/alarm_timer_chromeos.cc
index 6c38b4c2ff..341818a60d 100644
--- a/components/timers/alarm_timer_chromeos.cc
+++ b/components/timers/alarm_timer_chromeos.cc
@@ -250,7 +250,7 @@ void AlarmTimer::Delegate::OnFileCanReadWithoutBlocking(int fd) {
   }
 }
 
-void AlarmTimer::Delegate::OnFileCanWriteWithoutBlocking(int /* fd */) {
+void AlarmTimer::Delegate::OnFileCanWriteWithoutBlocking(int fd) {
   NOTREACHED();
 }