Change over IgnoreReturn to IgnoreResult. remove IgnoreReturn.

content/browser/browser_message_filter.cc

Index: content/browser/browser_message_filter.cc
diff --git a/content/browser/browser_message_filter.cc b/content/browser/browser_message_filter.cc
index dd2414caf5dd845f0ddd6921b551e0578040fff1..82600a2d93266339c08226323b9986403497019c 100644
--- a/content/browser/browser_message_filter.cc
+++ b/content/browser/browser_message_filter.cc
@@ -52,8 +52,8 @@ bool BrowserMessageFilter::Send(IPC::Message* message) {
     BrowserThread::PostTask(
         BrowserThread::IO,
         FROM_HERE,
-        base::IgnoreReturn<bool>(
-            base::Bind(&BrowserMessageFilter::Send, this, message)));
+        base::Bind(base::IgnoreResult(&BrowserMessageFilter::Send), this,
+                   message));
     return true;
   }
 
@@ -79,8 +79,8 @@ bool BrowserMessageFilter::OnMessageReceived(const IPC::Message& message) {
 
   BrowserThread::PostTask(
       thread, FROM_HERE,
-      base::IgnoreReturn<bool>(
-          base::Bind(&BrowserMessageFilter::DispatchMessage, this, message)));
+      base::Bind(base::IgnoreResult(&BrowserMessageFilter::DispatchMessage),
+                 this, message));
   return true;
 }