Remove crufty bridge code from old CRD iOS app.

remoting/client/ios/bridge/host_proxy.mm

-// Copyright 2016 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.
-
-#import "remoting/client/ios/bridge/host_proxy.h"
-
-#import "remoting/client/ios/host_preferences.h"
-#import "remoting/client/ios/bridge/client_instance.h"
-#import "remoting/client/ios/bridge/client_proxy.h"
-
-#include "base/strings/sys_string_conversions.h"
-
-@implementation HostProxy
-
-// Override default constructor and initialize internals.
-- (id)init {
-  self = [super init];
-  if (self) {
-    _isConnected = false;
-  }
-  return self;
-}
-
-// Override default destructor.
-- (void)dealloc {
-  if (_isConnected) {
-    [self disconnectFromHost];
-  }
-
-  //[super dealloc]; // TODO(nicholss): ARC forbids explicit message send of
-  //'dealloc'
-}
-
-- (BOOL)isConnected {
-  return _isConnected;
-}
-
-- (void)connectToHost:(NSString*)username
-            authToken:(NSString*)token
-             jabberId:(NSString*)jid
-               hostId:(NSString*)hostId
-            publicKey:(NSString*)hostPublicKey
-             delegate:(id<ClientProxyDelegate>)delegate {
-  // Implicitly, if currently connected, discard the connection and begin a new
-  // connection.
-  [self disconnectFromHost];
-
-  _hostToClientChannel.reset(new remoting::ClientProxy(
-      [ClientProxyDelegateWrapper wrapDelegate:delegate]));
-
-  DCHECK(!_clientToHostChannel.get());
-  _clientToHostChannel = new remoting::ClientInstance(
-      _hostToClientChannel->AsWeakPtr(), base::SysNSStringToUTF8(username),
-      base::SysNSStringToUTF8(token), base::SysNSStringToUTF8(jid),
-      base::SysNSStringToUTF8(hostId), base::SysNSStringToUTF8(hostPublicKey));
-
-  HostPreferences* host = [HostPreferences hostForId:hostId];
-  _clientToHostChannel->Start(base::SysNSStringToUTF8(host.pairId),
-                              base::SysNSStringToUTF8(host.pairSecret));
-  _isConnected = YES;
-}
-
-- (void)authenticationResponse:(NSString*)pin
-                 createPairing:(BOOL)createPairing {
-  if (_isConnected) {
-    // Where |deviceId| is first created doesn't matter, but it does have to be
-    // from an Obj-C file.  Creating |deviceId| now, just before passing a copy
-    // into a C++ interface.
-    NSString* deviceId =
-        [[[UIDevice currentDevice] identifierForVendor] UUIDString];
-
-    _clientToHostChannel->ProvideSecret(base::SysNSStringToUTF8(pin),
-                                        createPairing,
-                                        base::SysNSStringToUTF8(deviceId));
-  }
-}
-
-- (void)disconnectFromHost {
-  if (_isConnected) {
-    VLOG(1) << "Disconnecting from Host";
-
-    // |_clientToHostChannel| must be closed before releasing
-    // |_hostToClientChannel|.
-
-    // |_clientToHostChannel| owns several objects that have references to
-    // itself.  These objects need to be cleaned up before we can release
-    // |_clientToHostChannel|.
-    _clientToHostChannel->Cleanup();
-    // All other references to |_clientToHostChannel| should now be free.  When
-    // the next statement is executed the destructor is called automatically.
-    _clientToHostChannel = NULL;
-
-    _hostToClientChannel.reset();
-
-    _isConnected = NO;
-  }
-}
-
-- (void)mouseAction:(const webrtc::DesktopVector&)position
-         wheelDelta:(const webrtc::DesktopVector&)wheelDelta
-        whichButton:(NSInteger)buttonPressed
-         buttonDown:(BOOL)buttonIsDown {
-  if (_isConnected) {
-    _clientToHostChannel->PerformMouseAction(position, wheelDelta,
-        (remoting::protocol::MouseEvent_MouseButton) buttonPressed,
-        buttonIsDown);
-  }
-}
-
-- (void)keyboardAction:(NSInteger)keyCode keyDown:(BOOL)keyIsDown {
-  if (_isConnected) {
-    _clientToHostChannel->PerformKeyboardAction(keyCode, keyIsDown);
-  }
-}
-
-@end