more content exports needed for unit_tests and browser_tests.

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index 428a5bfdd1632bd6e49f674b80c56b1ef6c67cfd..d807111442bf2a791505a094d257d64f915ae390 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -160,7 +160,7 @@ class CONTENT_EXPORT RenderViewHostDelegate : public IPC::Channel::Listener {
   // Functions for managing switching of Renderers. For TabContents, this is
   // implemented by the RenderViewHostManager
 
-  class RendererManagement {
+  class CONTENT_EXPORT RendererManagement {
    public:
     // Notification whether we should close the page, after an explicit call to
     // AttemptToClosePage.  This is called before a cross-site request or before