Change over IgnoreReturn to IgnoreResult. remove IgnoreReturn.

chrome_frame/chrome_frame_automation.cc

Index: chrome_frame/chrome_frame_automation.cc
diff --git a/chrome_frame/chrome_frame_automation.cc b/chrome_frame/chrome_frame_automation.cc
index 5ca6dd2d03f3a18ceb95f86b38458e7f918aafb9..44aac5a3ff1ebedb659d3f19d4c49e0eabbf13d9 100644
--- a/chrome_frame/chrome_frame_automation.cc
+++ b/chrome_frame/chrome_frame_automation.cc
@@ -989,9 +989,11 @@ bool ChromeFrameAutomationClient::ProcessUrlRequestMessage(TabProxy* tab,
   }
 
   PostTask(
-      FROM_HERE, base::IgnoreReturn<bool>(base::Bind(
-          &ChromeFrameAutomationClient::ProcessUrlRequestMessage,
-          base::Unretained(this), tab, msg, true)));
+      FROM_HERE,
+      base::Bind(
+          base::IgnoreResult(
+              &ChromeFrameAutomationClient::ProcessUrlRequestMessage),
+          base::Unretained(this), tab, msg, true));
   return true;
 }