Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/loader/resource_loader.cc

Index: content/browser/loader/resource_loader.cc
diff --git a/content/browser/loader/resource_loader.cc b/content/browser/loader/resource_loader.cc
index 63b9f9c8439c4129270c25686fcb4f37f46257cb..f3be2a80c55f333eda6a0aa006aa5fa1c9349dc7 100644
--- a/content/browser/loader/resource_loader.cc
+++ b/content/browser/loader/resource_loader.cc
@@ -5,11 +5,9 @@
 #include "content/browser/loader/resource_loader.h"
 
 #include "base/command_line.h"
-#include "base/location.h"
+#include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/profiler/scoped_tracker.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "content/browser/appcache/appcache_interceptor.h"
 #include "content/browser/child_process_security_policy_impl.h"
@@ -467,20 +465,23 @@ void ResourceLoader::Resume() {
       request_->FollowDeferredRedirect();
       break;
     case DEFERRED_READ:
-      base::ThreadTaskRunnerHandle::Get()->PostTask(
-          FROM_HERE, base::Bind(&ResourceLoader::ResumeReading,
-                                weak_ptr_factory_.GetWeakPtr()));
+      base::MessageLoop::current()->PostTask(
+          FROM_HERE,
+          base::Bind(&ResourceLoader::ResumeReading,
+                     weak_ptr_factory_.GetWeakPtr()));
       break;
     case DEFERRED_RESPONSE_COMPLETE:
-      base::ThreadTaskRunnerHandle::Get()->PostTask(
-          FROM_HERE, base::Bind(&ResourceLoader::ResponseCompleted,
-                                weak_ptr_factory_.GetWeakPtr()));
+      base::MessageLoop::current()->PostTask(
+          FROM_HERE,
+          base::Bind(&ResourceLoader::ResponseCompleted,
+                     weak_ptr_factory_.GetWeakPtr()));
       break;
     case DEFERRED_FINISH:
       // Delay self-destruction since we don't know how we were reached.
-      base::ThreadTaskRunnerHandle::Get()->PostTask(
-          FROM_HERE, base::Bind(&ResourceLoader::CallDidFinishLoading,
-                                weak_ptr_factory_.GetWeakPtr()));
+      base::MessageLoop::current()->PostTask(
+          FROM_HERE,
+          base::Bind(&ResourceLoader::CallDidFinishLoading,
+                     weak_ptr_factory_.GetWeakPtr()));
       break;
   }
 }
@@ -544,9 +545,10 @@ void ResourceLoader::CancelRequestInternal(int error, bool from_renderer) {
     // If the request isn't in flight, then we won't get an asynchronous
     // notification from the request, so we have to signal ourselves to finish
     // this request.
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::Bind(&ResourceLoader::ResponseCompleted,
-                              weak_ptr_factory_.GetWeakPtr()));
+    base::MessageLoop::current()->PostTask(
+        FROM_HERE,
+        base::Bind(&ResourceLoader::ResponseCompleted,
+                   weak_ptr_factory_.GetWeakPtr()));
   }
 }
 
@@ -621,10 +623,12 @@ void ResourceLoader::StartReading(bool is_continuation) {
   } else {
     // Else, trigger OnReadCompleted asynchronously to avoid starving the IO
     // thread in case the URLRequest can provide data synchronously.
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
+    base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&ResourceLoader::OnReadCompleted,
-                   weak_ptr_factory_.GetWeakPtr(), request_.get(), bytes_read));
+                   weak_ptr_factory_.GetWeakPtr(),
+                   request_.get(),
+                   bytes_read));
   }
 }