[DeviceService] Mojofy left screen orientation IPC messages.

content/browser/screen_orientation/screen_orientation_message_filter_android.cc

Index: content/browser/screen_orientation/screen_orientation_message_filter_android.cc
diff --git a/content/browser/screen_orientation/screen_orientation_message_filter_android.cc b/content/browser/screen_orientation/screen_orientation_message_filter_android.cc
deleted file mode 100644
index cd7bd186a22fadbcaba9f140079363aba1250d1d..0000000000000000000000000000000000000000
--- a/content/browser/screen_orientation/screen_orientation_message_filter_android.cc
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2014 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 "content/browser/screen_orientation/screen_orientation_message_filter_android.h"
-
-#include "content/browser/screen_orientation/screen_orientation_delegate_android.h"
-#include "content/common/screen_orientation_messages.h"
-
-namespace content {
-
-ScreenOrientationMessageFilterAndroid::ScreenOrientationMessageFilterAndroid()
-    : BrowserMessageFilter(ScreenOrientationMsgStart)
-    , listeners_count_(0) {
-}
-
-ScreenOrientationMessageFilterAndroid::~ScreenOrientationMessageFilterAndroid()
-{
-  if (listeners_count_ > 0)
-    ScreenOrientationDelegateAndroid::StopAccurateListening();
-}
-
-bool ScreenOrientationMessageFilterAndroid::OnMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(ScreenOrientationMessageFilterAndroid, message)
-    IPC_MESSAGE_HANDLER(ScreenOrientationHostMsg_StartListening,
-                        OnStartListening)
-    IPC_MESSAGE_HANDLER(ScreenOrientationHostMsg_StopListening,
-                        OnStopListening)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void ScreenOrientationMessageFilterAndroid::OnStartListening() {
-  ++listeners_count_;
-  if (listeners_count_ == 1)
-    ScreenOrientationDelegateAndroid::StartAccurateListening();
-}
-
-void ScreenOrientationMessageFilterAndroid::OnStopListening() {
-  DCHECK(listeners_count_ > 0);
-  --listeners_count_;
-  if (listeners_count_ == 0)
-    ScreenOrientationDelegateAndroid::StopAccurateListening();
-}
-
-}  // namespace content