Fix up some style guide violations wrt aligning function arguments.

base/observer_list_threadsafe.h

 // Copyright (c) 2006-2008 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 BASE_OBSERVER_LIST_THREADSAFE_H_
 #define BASE_OBSERVER_LIST_THREADSAFE_H_
 
 #include <vector>
 #include <algorithm>
 
@@ skipping 119 matching lines @@
   // TODO(mbelshe):  Add more wrappers for Notify() with more arguments.
 
  private:
   template <class Method, class Params>
   void Notify(const UnboundMethod<ObserverType, Method, Params>& method) {
     AutoLock lock(list_lock_);
     typename ObserversListMap::iterator it;
     for (it = observer_lists_.begin(); it != observer_lists_.end(); ++it) {
       MessageLoop* loop = (*it).first;
       ObserverList<ObserverType>* list = (*it).second;
-      loop->PostTask(FROM_HERE,
+      loop->PostTask(
+          FROM_HERE,
           NewRunnableMethod(this,
               &ObserverListThreadSafe<ObserverType>::
                  template NotifyWrapper<Method, Params>, list, method));
     }
   }
 
   // Wrapper which is called to fire the notifications for each thread's
   // ObserverList.  This function MUST be called on the thread which owns
   // the unsafe ObserverList.
   template <class Method, class Params>
@@ skipping 39 matching lines @@
   typedef std::map<MessageLoop*, ObserverList<ObserverType>*> ObserversListMap;
 
   // These are marked mutable to facilitate having NotifyAll be const.
   Lock list_lock_;  // Protects the observer_lists_.
   ObserversListMap observer_lists_;
 
   DISALLOW_EVIL_CONSTRUCTORS(ObserverListThreadSafe);
 };
 
 #endif  // BASE_OBSERVER_LIST_THREADSAFE_H_