FBTF: Move virtual methods to implementation files.

base/watchdog.h

Index: base/watchdog.h
diff --git a/base/watchdog.h b/base/watchdog.h
index fd8f44434143150700fca150df411655b9e23575..b4262d4acc3d1506b5c2b8d51eb5d9fc74936382 100644
--- a/base/watchdog.h
+++ b/base/watchdog.h
@@ -23,7 +23,6 @@
 
 #include "base/condition_variable.h"
 #include "base/lock.h"
-#include "base/logging.h"
 #include "base/platform_thread.h"
 #include "base/time.h"
 
@@ -45,9 +44,7 @@ class Watchdog {
 
   // Alarm is called if the time expires after an Arm() without someone calling
   // Disarm().  This method can be overridden to create testable classes.
-  virtual void Alarm() {
-    DLOG(INFO) << "Watchdog alarmed for " << thread_watched_name_;
-  }
+  virtual void Alarm();
 
   // Reset static data to initial state. Useful for tests, to ensure
   // they are independent.