chrome/browser: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/browser/predictors/resource_prefetcher_unittest.cc

Index: chrome/browser/predictors/resource_prefetcher_unittest.cc
diff --git a/chrome/browser/predictors/resource_prefetcher_unittest.cc b/chrome/browser/predictors/resource_prefetcher_unittest.cc
index efcd18d8adda8960eb7c27cc5cefa144b31a6894..73098fa5fc6d7190a53c0865d39c556d6dd11175 100644
--- a/chrome/browser/predictors/resource_prefetcher_unittest.cc
+++ b/chrome/browser/predictors/resource_prefetcher_unittest.cc
@@ -51,8 +51,8 @@ class TestResourcePrefetcher : public ResourcePrefetcher {
 class TestResourcePrefetcherDelegate : public ResourcePrefetcher::Delegate {
  public:
   explicit TestResourcePrefetcherDelegate(base::MessageLoop* loop)
-      : request_context_getter_(new net::TestURLRequestContextGetter(
-          loop->message_loop_proxy())) { }
+      : request_context_getter_(
+            new net::TestURLRequestContextGetter(loop->task_runner())) {}
   ~TestResourcePrefetcherDelegate() { }
 
   net::URLRequestContext* GetURLRequestContext() override {