Base: A few more files using BASE_API (for base.dll)

base/debug/stack_trace.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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_DEBUG_STACK_TRACE_H_
 #define BASE_DEBUG_STACK_TRACE_H_
 #pragma once
 
 #include <iosfwd>
 
+#include "base/base_api.h"
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 struct _EXCEPTION_POINTERS;
 #endif
 
 namespace base {
 namespace debug {
 
 // A stacktrace can be helpful in debugging. For example, you can include a
 // stacktrace member in a object (probably around #ifndef NDEBUG) so that you
 // can later see where the given object was created from.
-class StackTrace {
+class BASE_API StackTrace {
  public:
   // Creates a stacktrace from the current location.
   StackTrace();
 
 #if defined(OS_WIN)
   // Creates a stacktrace for an exception.
   // Note: this function will throw an import not found (StackWalk64) exception
   // on system without dbghelp 5.1.
   StackTrace(_EXCEPTION_POINTERS* exception_pointers);
 #endif
@@ skipping 20 matching lines @@
   static const int kMaxTraces = 62;
 
   void* trace_[kMaxTraces];
   int count_;
 };
 
 }  // namespace debug
 }  // namespace base
 
 #endif  // BASE_DEBUG_STACK_TRACE_H_