base::Bind: Convert HostResolver::Resolve.

chrome/browser/net/predictor.cc

Index: chrome/browser/net/predictor.cc
diff --git a/chrome/browser/net/predictor.cc b/chrome/browser/net/predictor.cc
index 51bc4aecaca3ee190d6db10ba4a9677ff48994f9..365e7e13b48da6cf704929e30a9ec6a0d1ffc76e 100644
--- a/chrome/browser/net/predictor.cc
+++ b/chrome/browser/net/predictor.cc
@@ -82,9 +82,7 @@ class Predictor::LookupRequest {
   LookupRequest(Predictor* predictor,
                 net::HostResolver* host_resolver,
                 const GURL& url)
-      : ALLOW_THIS_IN_INITIALIZER_LIST(
-            net_callback_(this, &LookupRequest::OnLookupFinished)),
-        predictor_(predictor),
+      : predictor_(predictor),
         url_(url),
         resolver_(host_resolver) {
   }
@@ -102,7 +100,9 @@ class Predictor::LookupRequest {
     // lets the HostResolver know it can de-prioritize it.
     resolve_info.set_is_speculative(true);
     return resolver_.Resolve(
-        resolve_info, &addresses_, &net_callback_, net::BoundNetLog());
+        resolve_info, &addresses_,
+        base::Bind(&LookupRequest::OnLookupFinished, base::Unretained(this)),
+        net::BoundNetLog());
   }
 
  private:
@@ -110,9 +110,6 @@ class Predictor::LookupRequest {
     predictor_->OnLookupFinished(this, url_, result == net::OK);
   }
 
-  // HostResolver will call us using this callback when resolution is complete.
-  net::OldCompletionCallbackImpl<LookupRequest> net_callback_;
-
   Predictor* predictor_;  // The predictor which started us.
 
   const GURL url_;  // Hostname to resolve.