Export content_common dependency from some content targets.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 356c724e59da6db092aa0055e5fa68f3d94432e0..1f8be59786af1e7da94ec05d88afb44bf7a97303 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -16,6 +16,7 @@
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
 #include "content/public/browser/certificate_request_result_type.h"
+#include "content/public/browser/notification_presenter_permission.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/resource_type.h"
 #include "content/public/common/socket_permission_request.h"
@@ -24,7 +25,6 @@
 #include "net/cookies/canonical_cookie.h"
 #include "net/url_request/url_request_interceptor.h"
 #include "net/url_request/url_request_job_factory.h"
-#include "third_party/WebKit/public/web/WebNotificationPresenter.h"
 #include "ui/base/window_open_disposition.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 
@@ -427,7 +427,7 @@ class CONTENT_EXPORT ContentBrowserClient {
 
   // Checks if the given page has permission to show desktop notifications.
   // This is called on the IO thread.
-  virtual blink::WebNotificationPresenter::Permission
+  virtual NotificationPresenterPermission
       CheckDesktopNotificationPermission(
           const GURL& source_url,
           ResourceContext* context,