Create "Prebind" a wrapper to tr1::bind.

net/base/host_resolver_impl.cc

Index: net/base/host_resolver_impl.cc
diff --git a/net/base/host_resolver_impl.cc b/net/base/host_resolver_impl.cc
index b53ec6d3ccd5caeba55953ec6c195d117a396b07..45767bee5fbdedf7bf1a3d234fd8da6d5b5016d7 100644
--- a/net/base/host_resolver_impl.cc
+++ b/net/base/host_resolver_impl.cc
@@ -15,6 +15,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/prebind.h"
 #include "base/compiler_specific.h"
 #include "base/debug/debugger.h"
 #include "base/debug/stack_trace.h"
@@ -382,16 +383,16 @@ class HostResolverImpl::Job
     start_time_ = base::TimeTicks::Now();
 
     // Dispatch the job to a worker thread.
-    if (!WorkerPool::PostTask(FROM_HERE,
-            NewRunnableMethod(this, &Job::DoLookup), true)) {
+    if (!WorkerPool::PostThunk(FROM_HERE,
+            base::Prebind(&Job::DoLookup, this), true)) {
       NOTREACHED();
 
       // Since we could be running within Resolve() right now, we can't just
       // call OnLookupComplete().  Instead we must wait until Resolve() has
       // returned (IO_PENDING).
       error_ = ERR_UNEXPECTED;
-      MessageLoop::current()->PostTask(
-          FROM_HERE, NewRunnableMethod(this, &Job::OnLookupComplete));
+      MessageLoop::current()->PostThunk(
+          FROM_HERE, base::Prebind(&Job::OnLookupComplete, this));
     }
   }
 
@@ -484,8 +485,8 @@ class HostResolverImpl::Job
     {
       AutoLock locked(origin_loop_lock_);
       if (origin_loop_) {
-        origin_loop_->PostTask(FROM_HERE,
-                               NewRunnableMethod(this, &Job::OnLookupComplete));
+        origin_loop_->PostThunk(FROM_HERE,
+                                base::Prebind(&Job::OnLookupComplete, this));
       }
     }
   }
@@ -650,8 +651,8 @@ class HostResolverImpl::IPv6ProbeJob
       return;
     DCHECK(IsOnOriginThread());
     const bool kIsSlow = true;
-    WorkerPool::PostTask(
-        FROM_HERE, NewRunnableMethod(this, &IPv6ProbeJob::DoProbe), kIsSlow);
+    WorkerPool::PostThunk(
+        FROM_HERE, base::Prebind(&IPv6ProbeJob::DoProbe, this), kIsSlow);
   }
 
   // Cancels the current job.
@@ -689,21 +690,19 @@ class HostResolverImpl::IPv6ProbeJob
     AddressFamily family = IPv6Supported() ? ADDRESS_FAMILY_UNSPECIFIED
                                            : ADDRESS_FAMILY_IPV4;
 
-    Task* reply = NewRunnableMethod(this, &IPv6ProbeJob::OnProbeComplete,
-                                    family);
+    base::Thunk<void(void)> reply =
+        base::Prebind(&IPv6ProbeJob::OnProbeComplete, this, family);
 
     // The origin loop could go away while we are trying to post to it, so we
     // need to call its PostTask method inside a lock.  See ~HostResolver.
     {
       AutoLock locked(origin_loop_lock_);
       if (origin_loop_) {
-        origin_loop_->PostTask(FROM_HERE, reply);
+        origin_loop_->PostThunk(FROM_HERE, reply);
         return;
       }
     }
 
-    // We didn't post, so delete the reply.
-    delete reply;
   }
 
   // Callback for when DoProbe() completes (runs on origin thread).