Straightens outs DEPS in mojo/common

mojo/message_pump/time_helper.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_COMMON_TIME_HELPER_H_
-#define MOJO_COMMON_TIME_HELPER_H_
+#ifndef MOJO_MESSAGE_PUMP_TIME_HELPER_H_
+#define MOJO_MESSAGE_PUMP_TIME_HELPER_H_
 
 #include "base/time/time.h"
-#include "mojo/common/mojo_common_export.h"
 
 namespace base {
 class TickClock;
 }
 
 namespace mojo {
 namespace common {
 namespace test {
 
 // Sets the TickClock used for getting TimeTicks::Now(). This is currently used
 // by both HandleWatcher and MessagePumpMojo.
-MOJO_COMMON_EXPORT void SetTickClockForTest(base::TickClock* clock);
+void SetTickClockForTest(base::TickClock* clock);
 
 }  // namespace test
 
 namespace internal {
 
 // Returns now. Used internally; generally not useful.
-MOJO_COMMON_EXPORT base::TimeTicks NowTicks();
+base::TimeTicks NowTicks();
 
 }  // namespace internal
 }  // namespace common
 }  // namespace mojo
 
-#endif  // MOJO_COMMON_TIME_HELPER_H_
+#endif  // MOJO_MESSAGE_PUMP_TIME_HELPER_H_