Make AssociateWithRenderView() a free function in the 'content' namespace

content/common/net/url_fetcher_core.cc

Index: content/common/net/url_fetcher_core.cc
diff --git a/content/common/net/url_fetcher_core.cc b/content/common/net/url_fetcher_core.cc
index 07b060fe4bd1f46b4f92ffcc900531dded163219..fec28d367185b3009c02d1ab61aa145aa8ccddee 100644
--- a/content/common/net/url_fetcher_core.cc
+++ b/content/common/net/url_fetcher_core.cc
@@ -406,7 +406,8 @@ void URLFetcherCore::SetFirstPartyForCookies(
 }
 
 void URLFetcherCore::SetURLRequestUserData(
-    const void* key, const CreateDataCallback& create_data_callback) {
+    const void* key,
+    const URLFetcher::CreateDataCallback& create_data_callback) {
   DCHECK(key);
   DCHECK(!create_data_callback.is_null());
   url_request_data_key_ = key;