Remove all remaining traces of MessageLoopProxy.

content/browser/loader/resource_dispatcher_host_unittest.cc

Index: content/browser/loader/resource_dispatcher_host_unittest.cc
diff --git a/content/browser/loader/resource_dispatcher_host_unittest.cc b/content/browser/loader/resource_dispatcher_host_unittest.cc
index 674509865fb4f84edd927af0a7eeba9bee9e9641..b3aca28c54ca989db88b2c53af856c865f11895b 100644
--- a/content/browser/loader/resource_dispatcher_host_unittest.cc
+++ b/content/browser/loader/resource_dispatcher_host_unittest.cc
@@ -3443,10 +3443,8 @@ TEST_P(ResourceDispatcherHostTest, RegisterDownloadedTempFile) {
   ASSERT_TRUE(base::CreateTemporaryFile(&file_path));
   scoped_refptr<ShareableFileReference> deletable_file =
       ShareableFileReference::GetOrCreate(
-          file_path,
-          ShareableFileReference::DELETE_ON_FINAL_RELEASE,
-          BrowserThread::GetMessageLoopProxyForThread(
-              BrowserThread::FILE).get());
+          file_path, ShareableFileReference::DELETE_ON_FINAL_RELEASE,
+          BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE).get());
 
   // Not readable.
   EXPECT_FALSE(ChildProcessSecurityPolicyImpl::GetInstance()->CanReadFile(
@@ -3490,10 +3488,8 @@ TEST_P(ResourceDispatcherHostTest, ReleaseTemporiesOnProcessExit) {
   ASSERT_TRUE(base::CreateTemporaryFile(&file_path));
   scoped_refptr<ShareableFileReference> deletable_file =
       ShareableFileReference::GetOrCreate(
-          file_path,
-          ShareableFileReference::DELETE_ON_FINAL_RELEASE,
-          BrowserThread::GetMessageLoopProxyForThread(
-              BrowserThread::FILE).get());
+          file_path, ShareableFileReference::DELETE_ON_FINAL_RELEASE,
+          BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE).get());
 
   // Register it for a resource request.
   host_.RegisterDownloadedTempFile(filter_->child_id(), kRequestID, file_path);