Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

chrome/browser/ui/webui/options/certificate_manager_handler.cc

Index: chrome/browser/ui/webui/options/certificate_manager_handler.cc
diff --git a/chrome/browser/ui/webui/options/certificate_manager_handler.cc b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
index 9bb04c5f3dce9e82f8109b0ca52d720601902456..6a97f8444c9acd05c8a9aa8ab79bf76cff50d25b 100644
--- a/chrome/browser/ui/webui/options/certificate_manager_handler.cc
+++ b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
@@ -259,7 +259,7 @@ CancelableTaskTracker::TaskId FileAccessProvider::StartRead(
 
   // Post task to file thread to read file.
   return tracker->PostTaskAndReply(
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get(),
       FROM_HERE,
       base::Bind(&FileAccessProvider::DoRead, this, path, saved_errno, data),
       base::Bind(callback, base::Owned(saved_errno), base::Owned(data)));
@@ -276,12 +276,16 @@ CancelableTaskTracker::TaskId FileAccessProvider::StartWrite(
 
   // Post task to file thread to write file.
   return tracker->PostTaskAndReply(
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get(),
       FROM_HERE,
-      base::Bind(&FileAccessProvider::DoWrite, this,
-                 path, data, saved_errno, bytes_written),
-      base::Bind(callback,
-                 base::Owned(saved_errno), base::Owned(bytes_written)));
+      base::Bind(&FileAccessProvider::DoWrite,
+                 this,
+                 path,
+                 data,
+                 saved_errno,
+                 bytes_written),
+      base::Bind(
+          callback, base::Owned(saved_errno), base::Owned(bytes_written)));
 }
 
 void FileAccessProvider::DoRead(const base::FilePath& path,