components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/nacl/renderer/ppb_nacl_private_impl.cc

Index: components/nacl/renderer/ppb_nacl_private_impl.cc
diff --git a/components/nacl/renderer/ppb_nacl_private_impl.cc b/components/nacl/renderer/ppb_nacl_private_impl.cc
index e77b977ff13bddc12dccdf9cf8c787440ef06980..fea1b3d8ad0a3daac4f46f6ce71a6899e04506af 100644
--- a/components/nacl/renderer/ppb_nacl_private_impl.cc
+++ b/components/nacl/renderer/ppb_nacl_private_impl.cc
@@ -16,10 +16,13 @@
 #include "base/files/file.h"
 #include "base/json/json_reader.h"
 #include "base/lazy_instance.h"
+#include "base/location.h"
 #include "base/logging.h"
 #include "base/rand_util.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/nacl/common/nacl_host_messages.h"
 #include "components/nacl/common/nacl_messages.h"
 #include "components/nacl/common/nacl_nonsfi_util.h"
@@ -255,9 +258,8 @@ class ManifestServiceProxy : public ManifestServiceChannel::Delegate {
     if (process_type_ != kNativeNaClProcessType &&
         process_type_ != kPNaClTranslatorProcessType) {
       // Return an error.
-      base::MessageLoop::current()->PostTask(
-          FROM_HERE,
-          base::Bind(callback, base::Passed(base::File()), 0, 0));
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
+          FROM_HERE, base::Bind(callback, base::Passed(base::File()), 0, 0));
       return;
     }
 
@@ -272,9 +274,8 @@ class ManifestServiceProxy : public ManifestServiceChannel::Delegate {
     bool is_helper_process = process_type_ == kPNaClTranslatorProcessType;
     if (!ManifestResolveKey(pp_instance_, is_helper_process, key, &url,
                             &pnacl_options)) {
-      base::MessageLoop::current()->PostTask(
-          FROM_HERE,
-          base::Bind(callback, base::Passed(base::File()), 0, 0));
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
+          FROM_HERE, base::Bind(callback, base::Passed(base::File()), 0, 0));
       return;
     }
 
@@ -1400,11 +1401,9 @@ void DownloadFile(PP_Instance instance,
   NexeLoadManager* load_manager = GetNexeLoadManager(instance);
   DCHECK(load_manager);
   if (!load_manager) {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(callback,
-                   static_cast<int32_t>(PP_ERROR_FAILED),
-                   kInvalidNaClFileInfo));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(callback, static_cast<int32_t>(PP_ERROR_FAILED),
+                              kInvalidNaClFileInfo));
     return;
   }
 
@@ -1417,15 +1416,13 @@ void DownloadFile(PP_Instance instance,
                                               &file_info.token_lo,
                                               &file_info.token_hi);
     if (handle == PP_kInvalidFileHandle) {
-      base::MessageLoop::current()->PostTask(
-          FROM_HERE,
-          base::Bind(callback,
-                     static_cast<int32_t>(PP_ERROR_FAILED),
-                     kInvalidNaClFileInfo));
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
+          FROM_HERE, base::Bind(callback, static_cast<int32_t>(PP_ERROR_FAILED),
+                                kInvalidNaClFileInfo));
       return;
     }
     file_info.handle = handle;
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(callback, static_cast<int32_t>(PP_OK), file_info));
     return;
@@ -1435,11 +1432,9 @@ void DownloadFile(PP_Instance instance,
   // before downloading it.
   const GURL& test_gurl = load_manager->plugin_base_url().Resolve(url);
   if (!test_gurl.is_valid()) {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(callback,
-                   static_cast<int32_t>(PP_ERROR_FAILED),
-                   kInvalidNaClFileInfo));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(callback, static_cast<int32_t>(PP_ERROR_FAILED),
+                              kInvalidNaClFileInfo));
     return;
   }
 
@@ -1455,7 +1450,7 @@ void DownloadFile(PP_Instance instance,
     file_info.handle = file_handle;
     file_info.token_lo = file_token_lo;
     file_info.token_hi = file_token_hi;
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(callback, static_cast<int32_t>(PP_OK), file_info));
     return;
@@ -1469,11 +1464,9 @@ void DownloadFile(PP_Instance instance,
   content::PepperPluginInstance* plugin_instance =
       content::PepperPluginInstance::Get(instance);
   if (!plugin_instance) {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(callback,
-                   static_cast<int32_t>(PP_ERROR_FAILED),
-                   kInvalidNaClFileInfo));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(callback, static_cast<int32_t>(PP_ERROR_FAILED),
+                              kInvalidNaClFileInfo));
   }
   const blink::WebDocument& document =
       plugin_instance->GetContainer()->element().document();
@@ -1661,11 +1654,9 @@ void StreamPexe(PP_Instance instance,
   content::PepperPluginInstance* plugin_instance =
       content::PepperPluginInstance::Get(instance);
   if (!plugin_instance) {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(handler->DidFinishStream,
-                   handler_user_data,
-                   static_cast<int32_t>(PP_ERROR_FAILED)));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(handler->DidFinishStream, handler_user_data,
+                              static_cast<int32_t>(PP_ERROR_FAILED)));
     return;
   }