Move code that doesn't depend on PPAPI out of remoting/client/plugin

remoting/client/plugin/normalizing_input_filter_mac.cc

Index: remoting/client/plugin/normalizing_input_filter_mac.cc
diff --git a/remoting/client/plugin/normalizing_input_filter_mac.cc b/remoting/client/plugin/normalizing_input_filter_mac.cc
deleted file mode 100644
index ca2fa4b3c517ce3fd3cd526176c754ee8d5a1348..0000000000000000000000000000000000000000
--- a/remoting/client/plugin/normalizing_input_filter_mac.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2013 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 "remoting/client/plugin/normalizing_input_filter_mac.h"
-
-#include <map>
-#include <vector>
-
-#include "base/logging.h"
-#include "remoting/proto/event.pb.h"
-#include "remoting/protocol/usb_key_codes.h"
-
-namespace remoting {
-
-NormalizingInputFilterMac::NormalizingInputFilterMac(
-    protocol::InputStub* input_stub)
-    : protocol::InputFilter(input_stub) {
-}
-
-NormalizingInputFilterMac::~NormalizingInputFilterMac() {}
-
-void NormalizingInputFilterMac::InjectKeyEvent(const protocol::KeyEvent& event)
-{
-  DCHECK(event.has_usb_keycode());
-
-  bool is_special_key = event.usb_keycode() == kUsbLeftControl ||
-      event.usb_keycode() == kUsbLeftShift ||
-      event.usb_keycode() == kUsbLeftAlt ||
-      event.usb_keycode() == kUsbRightControl ||
-      event.usb_keycode() == kUsbRightShift ||
-      event.usb_keycode() == kUsbRightAlt ||
-      event.usb_keycode() == kUsbTab;
-
-  bool is_cmd_key = event.usb_keycode() == kUsbLeftOs ||
-      event.usb_keycode() == kUsbRightOs;
-
-  if (event.usb_keycode() == kUsbCapsLock) {
-    // Mac OS X generates keydown/keyup on lock-state transitions, rather than
-    // when the key is pressed & released, so fake keydown/keyup on each event.
-    protocol::KeyEvent newEvent(event);
-
-    newEvent.set_pressed(true);
-    InputFilter::InjectKeyEvent(newEvent);
-    newEvent.set_pressed(false);
-    InputFilter::InjectKeyEvent(newEvent);
-
-    return;
-  } else if (!is_cmd_key && !is_special_key) {
-    // Track keydown/keyup events for non-modifiers, so we can release them if
-    // necessary (see below).
-    if (event.pressed()) {
-      key_pressed_map_[event.usb_keycode()] = event;
-    } else {
-      key_pressed_map_.erase(event.usb_keycode());
-    }
-  }
-
-  if (is_cmd_key && !event.pressed()) {
-    // Mac OS X will not generate release events for keys pressed while Cmd is
-    // pressed, so release all pressed keys when Cmd is released.
-    GenerateKeyupEvents();
-  }
-
-  InputFilter::InjectKeyEvent(event);
-}
-
-void NormalizingInputFilterMac::GenerateKeyupEvents() {
-  for (KeyPressedMap::iterator i = key_pressed_map_.begin();
-       i != key_pressed_map_.end(); ++i) {
-    // The generated key up event will have the same key code and lock states
-    // as the original key down event.
-    protocol::KeyEvent event = i->second;
-    event.set_pressed(false);
-    InputFilter::InjectKeyEvent(event);
-  }
-
-  // Clearing the map now that we have released all the pressed keys.
-  key_pressed_map_.clear();
-}
-
-}  // namespace remoting