prune down content_dll change to just the CONTENT_EXPORTS

content/browser/debugger/devtools_client_host.h

Index: content/browser/debugger/devtools_client_host.h
diff --git a/content/browser/debugger/devtools_client_host.h b/content/browser/debugger/devtools_client_host.h
index f62996717341a49b4c0e4c796dc97d33e7c3035d..06ba2614598bc6c56e06d7abbeb2c3c40dc8bf48 100644
--- a/content/browser/debugger/devtools_client_host.h
+++ b/content/browser/debugger/devtools_client_host.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "content/common/content_export.h"
 
 namespace IPC {
 class Message;
@@ -21,9 +22,9 @@ class TabContents;
 // Describes interface for managing devtools clients from browser process. There
 // are currently two types of clients: devtools windows and TCP socket
 // debuggers.
-class DevToolsClientHost {
+class CONTENT_EXPORT DevToolsClientHost {
  public:
-  class CloseListener {
+  class CONTENT_EXPORT CloseListener {
    public:
     CloseListener() {}
     virtual ~CloseListener() {}