net: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

This patch was mostly autogenerated with https://codereview.chromium.org/1010073002/.

BUG=465354

Review URL: https://codereview.chromium.org/1170183002

Cr-Commit-Position: refs/heads/master@{#333929}
diff --git a/net/websockets/websocket_channel.cc b/net/websockets/websocket_channel.cc
index b5656e5..254c6a41 100644
--- a/net/websockets/websocket_channel.cc
+++ b/net/websockets/websocket_channel.cc
@@ -13,13 +13,15 @@
 #include "base/big_endian.h"
 #include "base/bind.h"
 #include "base/compiler_specific.h"
+#include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/numerics/safe_conversions.h"
+#include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "net/base/io_buffer.h"
 #include "net/http/http_request_headers.h"
@@ -640,10 +642,9 @@
 }
 
 void WebSocketChannel::ScheduleOpeningHandshakeNotification() {
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(HandshakeNotificationSender::Send,
-                 notification_sender_->AsWeakPtr()));
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(HandshakeNotificationSender::Send,
+                            notification_sender_->AsWeakPtr()));
 }
 
 ChannelState WebSocketChannel::WriteFrames() {
diff --git a/net/websockets/websocket_channel_test.cc b/net/websockets/websocket_channel_test.cc
index c659685..032123e 100644
--- a/net/websockets/websocket_channel_test.cc
+++ b/net/websockets/websocket_channel_test.cc
@@ -19,7 +19,9 @@
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_piece.h"
+#include "base/thread_task_runner_handle.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/http/http_response_headers.h"
@@ -484,12 +486,9 @@
       return ERR_IO_PENDING;
     if (responses_[index_]->async == ASYNC) {
       read_frames_pending_ = true;
-      base::MessageLoop::current()->PostTask(
-          FROM_HERE,
-          base::Bind(&ReadableFakeWebSocketStream::DoCallback,
-                     base::Unretained(this),
-                     frames,
-                     callback));
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
+          FROM_HERE, base::Bind(&ReadableFakeWebSocketStream::DoCallback,
+                                base::Unretained(this), frames, callback));
       return ERR_IO_PENDING;
     } else {
       frames->swap(responses_[index_]->frames);
@@ -580,10 +579,9 @@
 
  private:
   void PostCallback() {
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&EchoeyFakeWebSocketStream::DoCallback,
-                   base::Unretained(this)));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(&EchoeyFakeWebSocketStream::DoCallback,
+                              base::Unretained(this)));
   }
 
   void DoCallback() {
@@ -634,17 +632,15 @@
 
   int WriteFrames(ScopedVector<WebSocketFrame>* frames,
                   const CompletionCallback& callback) override {
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&ResetOnWriteFakeWebSocketStream::CallCallbackUnlessClosed,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   callback,
+                   weak_ptr_factory_.GetWeakPtr(), callback,
                    ERR_CONNECTION_RESET));
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&ResetOnWriteFakeWebSocketStream::CallCallbackUnlessClosed,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   read_callback_,
+                   weak_ptr_factory_.GetWeakPtr(), read_callback_,
                    ERR_CONNECTION_RESET));
     return ERR_IO_PENDING;
   }
diff --git a/net/websockets/websocket_end_to_end_test.cc b/net/websockets/websocket_end_to_end_test.cc
index 9dc6c54..a5cf6b4 100644
--- a/net/websockets/websocket_end_to_end_test.cc
+++ b/net/websockets/websocket_end_to_end_test.cc
@@ -13,10 +13,12 @@
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
+#include "base/location.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_piece.h"
+#include "base/thread_task_runner_handle.h"
 #include "net/base/auth.h"
 #include "net/base/network_delegate.h"
 #include "net/base/test_data_directory.h"
@@ -177,7 +179,7 @@
     const GURL& url,
     const SSLInfo& ssl_info,
     bool fatal) {
-  base::MessageLoop::current()->PostTask(
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&SSLErrorCallbacks::CancelSSLRequest,
                             base::Owned(ssl_error_callbacks.release()),
                             ERR_SSL_PROTOCOL_ERROR, &ssl_info));