mac: Add _EXPORT macros, content/.

content/browser/find_pasteboard.h

 // 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 CONTENT_BROWSER_FIND_PASTEBOARD_H_
 #define CONTENT_BROWSER_FIND_PASTEBOARD_H_
 #pragma once
 
 #include "base/string16.h"
 
 #ifdef __OBJC__
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_nsobject.h"
+#include "content/common/content_export.h"
 
-extern NSString* kFindPasteboardChangedNotification;
+CONTENT_EXPORT extern NSString* kFindPasteboardChangedNotification;
 
 // Manages the find pasteboard. Use this to copy text to the find pasteboard,
 // to get the text currently on the find pasteboard, and to receive
 // notifications when the text on the find pasteboard has changed. You should
 // always use this class instead of accessing
 // [NSPasteboard pasteboardWithName:NSFindPboard] directly.
 //
 // This is not thread-safe and must be used on the main thread.
 //
 // This is supposed to be a singleton.
@@ skipping 18 matching lines @@
 @interface FindPasteboard (TestingAPI)
 - (void)loadTextFromPasteboard:(NSNotification*)notification;
 
 // This methods is meant to be overridden in tests.
 - (NSPasteboard*)findPboard;
 @end
 
 #endif  // __OBJC__
 
 // Also provide a c++ interface
-string16 GetFindPboardText();
+CONTENT_EXPORT string16 GetFindPboardText();
 
 #endif  // CONTENT_BROWSER_FIND_PASTEBOARD_H_