Switch to static_assert in base/.

base/message_loop/message_loop.h

 // Copyright 2013 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_MESSAGE_LOOP_MESSAGE_LOOP_H_
 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
 
 #include <queue>
 #include <string>
 
@@ skipping 583 matching lines @@
       bool persistent,
       MessagePumpLibevent::Mode mode,
       MessagePumpLibevent::FileDescriptorWatcher* controller,
       MessagePumpLibevent::Watcher* delegate);
 #endif
 };
 
 // Do not add any member variables to MessageLoopForUI!  This is important b/c
 // MessageLoopForUI is often allocated via MessageLoop(TYPE_UI).  Any extra
 // data that you need should be stored on the MessageLoop's pump_ instance.
-COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForUI),
-               MessageLoopForUI_should_not_have_extra_member_variables);
+static_assert(sizeof(MessageLoop) == sizeof(MessageLoopForUI),
+              "MessageLoopForUI should not have extra member variables");
 
 #endif  // !defined(OS_NACL)
 
 //-----------------------------------------------------------------------------
 // MessageLoopForIO extends MessageLoop with methods that are particular to a
 // MessageLoop instantiated with TYPE_IO.
 //
 // This class is typically used like so:
 //   MessageLoopForIO::current()->...call some method...
 //
@@ skipping 59 matching lines @@
                            Mode mode,
                            FileDescriptorWatcher* controller,
                            Watcher* delegate);
 #endif  // defined(OS_IOS) || defined(OS_POSIX)
 #endif  // !defined(OS_NACL_SFI)
 };
 
 // Do not add any member variables to MessageLoopForIO!  This is important b/c
 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO).  Any extra
 // data that you need should be stored on the MessageLoop's pump_ instance.
-COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
-               MessageLoopForIO_should_not_have_extra_member_variables);
+static_assert(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
+              "MessageLoopForIO should not have extra member variables");
 
 }  // namespace base
 
 #endif  // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_