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

chrome/browser/caps/generate_state_json.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/caps/generate_state_json.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/cpu.h"
 #include "base/files/file.h"
 #include "base/json/json_writer.h"
+#include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chrome/browser/task_manager/task_manager.h"
 
 namespace {
 
 std::string Key(base::ProcessId pid, const char* category) {
   return category ?
       base::StringPrintf("process.%d.%s", pid, category) :
@@ skipping 38 matching lines @@
 
  private:
   friend class base::RefCountedThreadSafe<TaskManagerDataDumper>;
   ~TaskManagerDataDumper() {
   }
 
   void OnDataReady() {
     // Some data (for example V8 memory) has not yet arrived, so we wait.
     // TODO(cpu): Figure out how to make this reliable.
     static base::TimeDelta delay = base::TimeDelta::FromMilliseconds(250);
-    base::MessageLoop::current()->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(&TaskManagerDataDumper::OnDataReadyDelayed, this),
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE, base::Bind(&TaskManagerDataDumper::OnDataReadyDelayed, this),
         delay);
   }
 
   void OnDataReadyDelayed() {
     model_->StopListening();
     // Task manager finally computed (most) values. Lets generate the JSON
     // data and send it over the pipe.
     base::DictionaryValue dict;
     GatherComputerValues(&dict);
     GatherChromeValues(&dict);
@@ skipping 105 matching lines @@
 }  // namespace
 
 namespace caps {
 
 void GenerateStateJSON(
     scoped_refptr<TaskManagerModel> model, base::File file) {
   new TaskManagerDataDumper(model, file.Pass());
 }
 
 }