Cleanup various includes and namespace references.

base/logging.h

 // Copyright (c) 2012 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_LOGGING_H_
 #define BASE_LOGGING_H_
 
 #include <cassert>
 #include <string>
 #include <cstring>
 #include <sstream>
+#include <vector>

[Nico, 2014/10/31 14:30:08]

This file doesn't use vector anywhere from what I can tell. What's this needed
for?

[Fabrice (no longer in Chrome), 2014/10/31 15:45:23]

This comes from an earlier version of the patch, removed. Thanks!
I took this opportunity to double-check every of the changes in this CL are
needed for libc++.

 
 #include "base/base_export.h"
 #include "base/basictypes.h"
 #include "base/debug/debugger.h"
 #include "build/build_config.h"
 
 //
 // Optional message capabilities
 // -----------------------------
 // Assertion failed messages and fatal errors are displayed in a dialog box
@@ skipping 906 matching lines @@
 #elif NOTIMPLEMENTED_POLICY == 5
 #define NOTIMPLEMENTED() do {\
   static bool logged_once = false;\
   LOG_IF(ERROR, !logged_once) << NOTIMPLEMENTED_MSG;\
   logged_once = true;\
 } while(0);\
 EAT_STREAM_PARAMETERS
 #endif
 
 #endif  // BASE_LOGGING_H_